Leadership Team

Bryan Min

Founder and Chief Executive Officer

Leadership Team

Bryan’s personal philosophy is to go the extra mile for employees, customers and business partners, and as an Ironman triathlete and marathoner, he knows exactly what that means! Combined with this philosophy, Bryan’s entrepreneurial spirit has propelled Epsilon Systems from its original 1998 Mail Boxes Etc. address to a company with over 1,000 employees and 20 locations around the country.

Bryan is a “hands on” leader. He especially enjoys his daily interactions with customers and employees. He lives out “management by walking around.” He loves to be part of employee recognition – frequent occurrences where Bryan recognizes “Epsiloneers” for outstanding performance and service.

Community is another passion. Bryan established the ESSential Foundation which funds, among other things, military support organizations, wounded warrior caregivers, international micro-finance, religious, educational and sports organizations, and programs supporting troubled youth. He also co-founded a church.

Bryan and Epsilon Systems have been recognized for various outstanding service and business achievements, including the Ernst & Young Entrepreneur of the Year award.

Bryan served on the U.S. Navy Submarine Force and holds degrees in engineering from the University of Southern California and Virginia Tech. He is a graduate of the Harvard Business School’s OPM Program and holds a degree from Harvard Kennedy School. Complementing his academic achievements, Bryan is a board member of both for-profit and non-profit organizations, including USC Viterbi School of Engineering. He resides in San Diego and is devoted to his wife Julie.

Todd Hooks

President, Mission Readiness Group (MRG) Sector

General Manager (Acting), Atlantic Region

Leadership Team

As President of the Mission Readiness Group (MRG) Sector, Todd Hooks oversees the company’s ship maintenance and modernization businesses. He also oversees the company’s work in the areas of hyperbaric and divers’ life support systems.

Prior to joining Epsilon Systems, Todd served as Chief Shipyard Officer at Fincantieri Marinette Marine, supporting the construction of the Freedom-variant Littoral Combat Ship (LCS), Multi-Mission Surface Combatant (MMSC), and the Constellation-class frigates (FFG). Prior to that, he fulfilled several roles at BAE Systems, including Director of Programs for Amphibious/Commercial Programs at Norfolk Ship Repair, Director of Business Development at Ship Repair, and General Manager of Jacksonville Ship Repair.

Prior to his years of experience in the defense industry, Todd served more than 32 years in the United States Navy as a Naval Officer focusing on the defense industrial base. His active-duty career included serving for 25 years on surface ship repair, maintenance, and modernization, first as a Surface Warfare Officer, then as an Engineering Duty Officer. He retired in 2013, after his last assignment as the Engineering and Maintenance (N43) Officer for Commander Naval Surface Forces, U.S. Pacific Fleet staff.

Todd earned a bachelor’s degree in physics from Virginia Military Institute and a master’s degree in physics from Naval Postgraduate School in Monterey, CA.

Patrick Moneymaker, RADM, USN (Ret.)

President, Technology and Technical Solutions (TTS) Sector

Leadership Team

Rear Admiral Patrick Moneymaker joined Epsilon Systems in 2011. Prior to joining Epsilon Systems, Pat was the Chief Executive Officer and President of Proxy Aviation Systems, Inc. and Chairman of Anonymizer, Inc. He has also served as the CEO of Kforce Government Holdings and CEO of Ocean Systems Engineering Corporation. He has more than 40 years of experience in building technology systems and services for government and commercial customers.

Pat had a distinguished Navy career ultimately retiring as a Rear Admiral. As a Navy fighter pilot, he flew 91 combat missions in Vietnam before hostilities ceased in February 1973. He is a graduate of Navy Fighter Weapons School (TOPGUN) and served in the premier assignment as leader of the elite Naval Flight Demonstration Squadron, the Blue Angels. He completed his Navy career as Commander of Naval Space Command in September 1998.

He is a native of San Francisco, where he graduated with a bachelor's degree in biology from the University of San Francisco.

Ron Klein

Vice President of Information Technology

Leadership Team

Ron Klein serves as both the Vice President of Information Technology (IT) and Vice President and General Manager of Advanced Products-West Business Unit. He began at Epsilon Systems in February 2018 as the Chief Technology Officer (CTO) and moved into the role of Chief Information Officer (CIO) in 2019. In 2022, he moved into the dual role of overseeing the Information Technology throughout the company and overseeing the Advanced Products group on the West Coast.

Ron previously worked at Hughes/Raytheon for over 30 years, most recently as Engineering Fellow and Chief Architect. During his career, he acquired a robust knowledge and extensive experience in program planning and the full life-cycle development of large cross-platform programs running on distributed systems that require high availability, stringent performance requirements, and high loads. As a member of the leadership team on a number of diverse projects, Ron gained comprehensive experience in formulating plans, coordinating, and overseeing the development and deployment of small to large projects consisting of single or multiple organizational teams.

Ron holds both Bachelor's and Master's degrees in Computer Science from California State Polytechnic University, Pomona, CA. He is also certified in The Open Group Architecture Framework (TOGAF) and has completed the training from the Raytheon Certified Architect Program (RCAP).

Ron Klein

Vice President and General Manager, Advanced Products-West (AP-West) Business Unit

Leadership Team

Ron Klein serves as both the Vice President of Information Technology (IT) and Vice President and General Manager of Advanced Products-West Business Unit. He began at Epsilon Systems in February 2018 as the Chief Technology Officer (CTO) and moved into the role of Chief Information Officer (CIO) in 2019. In 2022, he moved into the dual role of overseeing the Information Technology throughout the company and overseeing the Advanced Products group on the West Coast.

Ron previously worked at Hughes/Raytheon for over 30 years, most recently as Engineering Fellow and Chief Architect. During his career, he acquired a robust knowledge and extensive experience in program planning and the full life-cycle development of large cross-platform programs running on distributed systems that require high availability, stringent performance requirements, and high loads. As a member of the leadership team on a number of diverse projects, Ron gained comprehensive experience in formulating plans, coordinating, and overseeing the development and deployment of small to large projects consisting of single or multiple organizational teams.

Ron holds both Bachelor's and Master's degrees in Computer Science from California State Polytechnic University, Pomona, CA. He is also certified in The Open Group Architecture Framework (TOGAF) and has completed the training from the Raytheon Certified Architect Program (RCAP).

Jim Loiselle

Vice President of Administration

Leadership Team

Jim serves as the Vice President of Administration. He joined Epsilon Systems in 2019 as the Director of Contracts and has over 20 years of defense industry experience.

Jim is a strong believer in the “Servant Leadership” philosophy where the leader shares power, puts the needs of employees first, and helps people develop and perform as highly as possible. He also embraces the concept that “Learning by Doing” is the best way to tackle both the opportunities and challenges that come with running the day-to-day operations of any type of entrepreneurial business.

As a San Diego native, Jim loves a wide variety of outdoor activities that are ideally suited to the Southern California climate including hiking, biking, paddleboarding, and strength training. He enjoys frequent trips up the California Coast with his family which includes his wife, daughter, and two golden retrievers. As an avid music buff, Jim loves attending outdoor concerts and music festivals, especially classic and modern rock.

Prior to entering the defense industry, Jim served as an officer in the U.S. Navy and received his commission through the Naval Reserve Officers Training Corps at the University of San Diego.

Jim holds a Bachelor’s Degree in Business Administration from the University of San Diego, a Master of Science Degree in Business Administration from San Diego State University (SDSU), and is a National Contract Management Association (NCMA) Certified Professional Contract Manager.

Away from work, Jim is a part-time faculty member at SDSU’s Global Campus where he teaches contract management courses in support of its professional certificate program which he believes is the perfect platform to share his “Servant Leadership” philosophy and “Learning by Doing” approach.

Alyx Schmidt

Vice President of Finance

Leadership Team

Alyx Schmidt serves Epsilon Systems as Vice President of Finance. Alyx began her career at Epsilon Systems in 2007, serving in positions including Business Development Associate for the Chief Operating Officer, Program Manager for the company’s largest contract, and Corporate Financial Manager for the Chief Financial Officer. Most recently, Alyx served as the Director of Finance responsible for oversight of the financial planning and analysis as well as the rates and budgets functions at Epsilon Systems.

Alyx is a California native. However, her adult education started abroad with a certificate in International Protocol from Institut Villa Pierrefeu in Glion, Switzerland. Upon returning to the U.S., she obtained her undergraduate degree in International Business, followed by a Masters of Business Administration with a concentration in Finance from San Diego State University.

Throughout her career, Alyx continued to dedicate herself to the defense industry through volunteer work at organizations such as the San Diego Military Advisory Council (SDMAC) and National Defense Industrial Association (NDIA). Today, Alyx serves a Past President of the San Diego Chapter of NDIA.

Janeece Tanaka

Director of Human Resources

Leadership Team

Janeece Tanaka serves as the Director of Human Resources at Epsilon Systems. She joined the company in 2005 and has served various roles in all areas of Human Resources (HR). In 2019, Janeece was appointed Director, HR. She currently leads the HR Team as they provide support to all employees and managers in the company.

Janeece earned her Bachelor’s Degree from San Diego State University and Master’s Degree in Industrial Organizational Psychology from Alliant International University – San Diego campus.

Dina Zumwalt

Vice President of Marketing and Proposals

Leadership Team

Dina Zumwalt serves as Vice President of Marketing and Proposals. She began at Epsilon Systems in 2019 as the Marketing Research and Proposal Center (MAPCEN) manager. She has over 20 years of defense industry experience.

Prior to joining Epsilon Systems, Dina served as a Senior Capture and Proposal Manager for Trident Proposal Management in San Diego, where she led many proposal efforts in support of major clients. Prior to joining Trident, Dina worked for McKean Defense Group in San Diego as the Integrated Project Team Development (IPTD) West Coast Project Manager, overseeing IPTD facilitators in the San Diego, Pacific Northwest, and Hawaii regions and the administrative coordinator. Prior to McKean Defense Group and after leaving the U.S. Navy, Dina was employed by Amsec LLC, serving as the Carrier Team One Deputy Program Manager in Coronado, CA.

While serving as a U.S. Navy Surface Warfare Officer, Dina held multiple positions including Course Coordinator and Instructor, Expeditionary Warfare Training Group, Pacific (EWTGPAC); Computer and Communications Officer, Expeditionary Strike Group Three (ESG 3); and Auxiliary Engineering Officer, USS Tarawa (LHA 1).

As the leader of Epsilon System’s proposal development, Dina is not only a consummate team leader, but also a team player. She sees herself as an “orchestra conductor” and leads by example, but also steps in to assist with any area that needs focus or extra time and attention to detail. She understands that it’s the team that gets things done, especially in a tight timeline, and she works to provide the guidance and know-how to develop winning proposals.

Dina earned a Bachelor of Science in Economics from the U.S Naval Academy and a Master of Science in Global Leadership from the University of San Diego. She holds certificates in Global Strategy & Management and Project Management and is Project Management Professional (PMP) certified.

A native of Walnut Creek, CA, she spends her free time with her family. She is married with three busy boys and two German Shepherd rescue dogs. She is actively involved with her sons’ school and her church community, including volunteering with a local children’s food charity. She enjoys traveling, skiing, swimming, and visiting with friends.

Steve Martin

Vice President and General Manager, Epsilon C5I Business Unit

Leadership Team

Steve Martin is the Vice President and General Manager of the Epsilon C5I Business Unit. In this role, Steve oversees DoD-cleared engineers and intelligence professionals who provide innovative products, services, and solutions to federal, defense, and intelligence customers.

Prior to joining Epsilon Systems, Steve served in leadership positions at a variety of both large and small defense companies and currently serves as Committee Lead for the San Diego Chapter of the National Defense Industrial Association (NDIA).

Before entering the defense industry, Steve served as a Surface Warfare Officer in the U.S. Navy and received his commission through the Naval Reserve Officers Training Corps at Vanderbilt University.

Steve holds a Bachelor’s Degree from Vanderbilt University, a Master of Business Administration from The University of Texas, and is a Project Management Institute Certified Project Management Professional.

John Riley

Senior Vice President, Mission Services Business Unit

Leadership Team

John Riley is the Senior Vice President of the Mission Services Business Unit. John joined Epsilon Systems in 2013 and has served as the Southwest Account Manager and the Professional Services Group General Manager, overseeing administrative and technical program management of professional services contracts. Prior to joining Epsilon Systems, he was a Senior Engineer with McKean Defense Group where he led efforts in support of Commander Navy Regional Maintenance Command (CNRMC) in identifying manpower technical capability and capacity requirements. A former Surface Warfare Officer, John retired from the Navy as Captain (O-6) in May of 2010, after completing a 30-year Naval career. John’s Navy career included commanding the USS Aries (PHM 5), USS Curts (FFG 38) and USS Tarawa (LHA 1), and he was the inaugural Commander of the Littoral Combat Ship (LCS) Class Squadron.

John received his commission through Naval Reserve Officer Training Corps (NROTC) at Tulane University and is a graduate of Naval Post Graduate School earning a Master’s Degree in Telecommunications Systems Management. Certified by the Project Management Institute, he is a Project Management Professional (PMP) and a lifetime member of the Surface Navy Association (SNA).

Brant Robinson

Vice President and General Manager, Technology Solutions Business Unit

Leadership Team

Brant Robinson is the Vice President and General Manager, Technology Solutions Business Unit that provides engineering, technical, environmental, and administrative support to customers in the western United States and in the Pacific. He joined Epsilon Systems in September, 2018.

Prior to joining Epsilon, Brant served in the U.S. Navy as an officer in the submarine force performing various leadership roles in operations, engineering, and training. After leaving active duty, he designed and built electrical and alternative energy systems for various commercial and non-profit organizations. Brant retired as a Commander from the Navy Reserves in 2022.

Brant holds Bachelor’s Degrees in Communications and Physics and a Master’s Degree in International Relations. He is a member of the Naval Submarine League.

Nathan Sharadin

Vice President and General Manager, Mission Services Business Unit

Leadership Team

As Vice President and General Manager of the Mission Services Business Unit for the Technology and Technical Services sector of Epsilon Systems, Nathan Sharadin oversees the company’s engineering and technical services in a variety of locations including Norfolk and Newport News, VA; San Diego, CA; Mayport, FL; Last Vegas, NV; Albuquerque, NM; and Newport, RI.

Nathan has significant project management experience for engineering and technical DoD contracts as well as corporate portfolio management and strategic planning. Prior to joining Epsilon Systems, he supported large and small businesses on various surface Navy maintenance and modernization programs. As an employee of McKean Defense Group, Nathan supported the Program Management Office (PMO) for the Surface Maintenance Engineering Planning Program (SURFMEPP) and Commander Navy Regional Maintenance Center (CNRMC). In addition, he provided business operations, technical, and management oversight for Lockheed Martin Corporation for over eight years, supporting programs such as the Ready Reserve Force (RRF) Logistics overhaul program, Program Executive Office Integrated Warfare Systems 5 (PEO IWS5) AN/SQQ-89 A(V)15 Integrated Logistics Support (ILS) and Installations, and Enterprise-Wide Contractor Support Services (EWCSS).

Nathan earned a B.S. in Business Education from the Virginia Polytechnical Institute and Virginia Tech, and a Master’s in Business Administration (MBA) from Old Dominion University.

Brian Gallatin

Vice President and General Manager, Advanced Products – East

Keith Cole

Vice President and General Manager, Advanced Products-East (AP-East) Business Unit

Leadership Team

Having spent more than 30 years in repair and overhaul support on military aviation platforms, and combining that with personal humility and mountains of lessons learned, Keith recognized his true passion as a proactive leader who understands team work is the primary engine to long-term sustainability. The whole is better than the sum of its parts, as they say. Working with others to achieve a common goal has been his longstanding guiding principle.

In this role, Keith directs the company’s product development and sales of all manufacturing lines, including aviation ground support equipment, aircraft launch and recovery equipment, racks and consoles, and build-to-print box assemblies.

Keith served four honorable years in the U.S. Navy working in Aviation, and more than two decades with Northrop/Grumman Aircraft Systems performing maintenance, modifications, and overhaul on F14 and E2C aircraft. He has led teams throughout the United States, Japan and the UAE, and received numerous letters of appreciation and a leadership award.

Keith holds a degree in Professional Aeronautics from Embry-Riddle Aeronautical University. He has also obtained a Certificate in Project Management, PMI® from Boston University Corporate Education Center.

He has attended a variety of seminars, military schools, and professional skill enhancement programs embracing many topics: Overhaul Maintenance, Computer Systems, AutoCAD, Effective Team Leadership and Motivation, and Lean Six Sigma practices.

An avid blood and platelet donor for the Red Cross, Keith enjoys exercise, outdoor activities, such as swimming, running or long walks with his wife, Cherie. Having previously coached youth sports for both his daughters, he continues to convey that same passion with his grandchildren. Alongside his wife, he is dedicated to time spent with his daughters and their families.

John Murdock

Senior Vice President, Business Systems, Mission Readiness Group

Leadership Team

John is driven every day by the duty to exceed our customers’ expectations and the duty we have to the welfare of our employees and their families. As an employee-owned company, we are all is this together and John strives every day to make a difference in the lives of our customers and employees.

John has over 30 years of experience in acquisition and program management, including extensive experience and technical knowledge in program management, contract and financial management, proposal preparation and evaluation, earned value management, value stream mapping, supply chain management, operational logistics, and graduate-level instruction/facilitation. With his 18 years of experience at Epsilon Systems, John sets his focus on the development of the company’s next generation. Having served as an adjunct professor at various colleges for years, he takes the opportunity to share his experience and give back to the organization that took a chance on him years ago.

John is a retired Naval Supply Corps Officer, having served onboard a submarine, cruiser, aircraft carrier, and a deployment supporting the U.S. Army in Bosnia. He holds degrees in economics from the University of Buffalo, masters from the Naval Post Graduate School and is a Certified Professional Contracts Manager (CPCM). John is a member the Tidewater Community College Management Advisory board. He resides in Virginia Beach, devoted to his family and especially his two grandchildren.

Larry Ingels

Vice President and General Manager, Mid-Atlantic Region – Norfolk

Leadership Team

Larry Ingels joined Epsilon Systems in 2014, managing the company’s Mission Readiness Group (MRG) East Coast Modernization, Repair, and Maintenance operations as the Vice President of Operations and is currently the Vice President and General Manager for MRG Mid-Atlantic Region - Norfolk. Larry is responsible for execution of Epsilon Systems’ contracts and task orders supporting MARMC, NAVSEA, SPAWAR, NAVAIR, NSWC, NAVFAC, and numerous commercial customers. Business areas include Navy Ship Repair and Modernization Programs, Submarine/SUBSAFE Programs, and Hyperbaric and Diver Life Support System Programs. Larry has over 40 years of management, supervision, and technical hands-on experience and brings an extensive understanding of Navy (and commercial) ship and submarine repair, maintenance, overhaul, and modernization.

Prior to joining Epsilon Systems, Larry was the Senior Program Manager for Submarine Programs at General Dynamics Information Technology from 2012 to 2014, where he planned and executed all submarine program work including overhaul, repair, modernization, and field changes for submarine sail systems.

In 2001, Larry joined Oceaneering International as a Project Manager for high-data-rate antenna installations on all classes of U.S. Navy submarines. He advanced to Production Manager overseeing all submarine projects worldwide and later to Director of Submarine and Manufacturing Programs with responsibility for Quality Control on SUBSAFE and shop repair and manufacturing work.

Larry began his career in 1981 at Newport News Shipbuilding (NNS) as an outside machinist supporting numerous new construction, overhaul, and modernization programs on ballistic missile and fast-attack submarines and aircraft carriers. He also worked with the Fleet Support and Virginia-Class Advanced Planning Group and was a member of the NNS Tiger Team executing projects worldwide.

Tom Hill

General Manager, Southeast Region – Jacksonville

Leadership Team

Tom Hill joined Epsilon Systems in December, 2020 as the General Manager – Southeast Region, Mission Readiness Group. His primary duties include oversight of the daily activities, business development, and strategic planning for the Southeast Region. He has been a key component of our preparations for the LCS MACMO contract and our recent “on-boarding” onto the Surface Combatant MACMO contract in Jacksonville, FL. Tom has over 40 years of experience in the ship construction, modernization, and repair business.

Prior to joining Epsilon Systems, Tom was employed by General Dynamics – NASSCO as Project Manager. His assignments included modernization and upgrade of USS Mason DDG-87 (Norfolk) and repair and upgrades on USS Iwo Jima LHD-7 (Jacksonville).

Tom began his career as a “helper” at Atlantic Marine, Inc. in 1981 and worked for them in various roles including Quality Assurance, Non-Destructive Test Inspector, Superintendent, Project Manager, and Division Manager of the Mayport Naval Station facility (pre-BAE Systems) over a period of nearly 20 years. After leaving Atlantic Marine, he started his own consulting company with a variety of clients including Colonna’s Shipyard, Maritime Design, Environmental Recovery, and more.

Jim Achenbach

Senior Vice President, Pacific Region

General Manager (Acting), Southwest Region – San Diego

Leadership Team

Jim Achenbach is the Vice President of Mission Readiness Group (MRG) – Pacific Region. In this role, Jim oversees the company’s ship maintenance and modernization business in support of both the Southwest Region in San Diego and the Pacific Region in Hawaii. Before this appointment, Jim served as the Director of Operations for MRG San Diego, which is MRG’s largest division.

Prior to joining Epsilon Systems, Jim served in leadership positions at BAE Jacksonville, Mayport, and San Diego. Before entering the defense industry, he served in a number of positions as a career Civil Servant for the U.S. Navy with his last position as Executive Director, Southwest Regional Maintenance Center.

Jim holds a Bachelor’s Degree from New York Maritime and is a licensed Chief Engineer in the United States Merchant Marine.

Mike Veitch

Vice President and General Manager, Southwest Region – San Diego

Bill Shreve

General Manager, Pacific Region – Hawaii

Leadership Team

Bill Shreve is the General Manager of the MRG Sector Pacific Region, based out of our Pearl City, Hawaii location. Originally hired in April, 2019 as the local area Director of Operations, he was appointed to his current Position in May, 2021. In this role, he is responsible for all Epsilon MRG Operations in Hawaii; providing close coordination with both East and West Coast MRG staff for planning and managing off-island resources. Bill develops and maintains relationships with industry partners, customers, and government agencies while actively supporting sustainment and expansion of business that support business growth goals.

Prior to joining Epsilon Systems, Bill served as Business Processes Program Manager at BAE Systems Hawaii Ship Repair. Before that, he fulfilled several roles at BAE Systems over the course of 15 years, including SHIPMAIN Program Manager, Project Manager, Program Manager for DDG 51 Class, Foreign Navy and Commercial Programs, and as Deputy Director of Programs.

Prior to his experience in the defense industry, Bill served eight years in the United States Navy as an enlisted Submarine Torpedoman where he completed multiple Western Pacific deployments including combat operations.

Bill has attained certifications as a Program Management Professional (PMI) and RMIS-Certified Risk Management Professional and is pursuing a bachelor’s degree in Program Risk Management and Marine Sciences at the University of Hawaii. He was recognized as the “Senior Ship Repair Professional of the Year” by the Ship Repair Association of Hawaii and Honolulu Council of the Navy League in 2019. Bill is a certified PADI Master SCUBA Diver Trainer, a high-school wrestling coach, and he and his wife are legal guardians of their adult Hānai daughter with special needs, as well as providers of respite for at-risk youth as a state-licensed therapeutic foster home.