OUR TEAM

Guy Mossman
Chief Executive Officer
Guy Mossman develops the strategic vision and guiding principles to achieve company growth goals and objectives. His keen engineering knowledge, deep understanding of Navy and DoD programs and astute leadership skills have led ORBIS to become a premier engineering and management service company providing expert solutions to our customers. Prior to establishing ORBIS, Guy was the Vice President of Operations at Life Cycle Engineering. He was also the Deputy Program Executive Officer for Submarines and a member of the US government Senior Executive Service where he received Civilian Meritorious and Superior Civilian Service Awards. He holds a B.S. degree in marine engineering from Maine Maritime Academy.
Charles Grabenstein
Chief Operating Officer
Charles Grabenstein has been with ORBIS since 2012 and works out of the Washington, DC office. Prior to ORBIS, he was the COO at SUBSYSTEM Technologies, Inc. where he was accountable for all client relationships, subcontractors and support contracts for the US Army, US Navy, Federal Aviation Administration (FAA), Drug Enforcement Agency (DEA) and Department of Homeland Security (DHS). From 1999 to 2010, Charles was a Vice President for Alion Science and Technology Corporation (formerly Anteon Corporation). He managed a $40M operation supporting NAVSEA PEO Submarines, PEO Aircraft Carriers, and PEO Littoral Mine Warfare. Charles holds a Bachelor of Science in Electrical Engineering from the University of New Haven.
John Bacak
Chief Financial Officer

John Bacak has been with ORBIS since 2018 and works out of the Charleston, SC headquarter office.  John is responsible for ORBIS’s overall financial functions and activities, including financial reporting and accounting, treasury, financial planning and analysis, tax, and outside auditors. John also provides leadership within the company’s operating units, including program finance. John brings over 30 years of experience of corporate finance, government contracting, and acquisitions.  Prior to ORBIS, John held senior financial leadership positions with both FORTUNE 500 companies and medium size professional services and government contracting firms.  John holds a Bachelor of Business Administration in Accountancy from James Madison University.

Shauna Burrows
Chief Business Development Officer
Shauna Burrows started with ORBIS in April of 2005. She manages the corporate marketing activities including strategic marketing planning, major program initiatives, as well as manages the business development and proposal processes. Her business background spans over 17 years in the defense arena.Shauna is a graduate of the University of Alabama with a B.A. in Communication and Informational Services. Shauna also serves in various professional, civic and community organizations.
Karl Farber
Director of Corporate Contracts and Facility Security
Karl Farber joined ORBIS in 2002. He has over 30 years experience in naval architecture/marine engineering and contract management for US DoD and commercial programs. With expertise covering engineering, contract support services, ship construction, operations, research and development, and contract administration/management arenas, Karl brings a wealth of knowledge with respect to commercial design and construction practices in support of Navy programs, with specialized emphasis on contract administration and management of engineering and professional services contracts. He is certified by the National Contracts Management Association as a Certified Professional Contracts Manager (CPCM). He is a graduate of the Webb Institute of Naval Architecture (BS, 1986) and Loyola University Maryland (MBA, 1996),
DiDi Rudd
Director of Human Resources
DiDi Rudd joined ORBIS in December of 2007. During her tenure with ORBIS, DiDi has developed and implemented various projects including HR compliance audits, onboarding, handbook development, policies, training, and benefits administration. In addition to managing the ORBIS HR department, DiDi is the company’s payroll administrator. DiDi Rudd, is an accomplished HR professional with over 16 years of human resources experience which includes developing HR processes and polices, compliance, employee relations, performance management, diversity, benefits and training.
Bill Timme
Vice President, Operations

Bill Timme, Rear Admiral, USN (Ret) joined ORBIS in 2018 as the Vice President, Operations and works out of the Washington, DC office. He is responsible for driving process improvements and increasing client satisfaction in multiple programs across a diversified business portfolio. This includes a wide range of products and services from direct program office support to logistic sustainment and repair of equipment used globally. Prior to ORBIS, he was the Global Defense and Intelligence Segment Leader and Navy Account Leader at International Business Machines (IBM). Bill developed and implemented comprehensive strategic, enablement, and execution plans for the Defense and Intelligence Sector globally through IBM’s geographic and brand sales teams. As the Navy Account Leader, Bill led a team of account managers who focused on all elements of the Navy and Marine Corps and managed relationship building and pipeline generation of contracts in support of naval sea services. Before he joined the private sector, Bill was a flag officer, submarine officer and acquisition professional at the Naval Sea Systems Command for ten years. 

Craig Richard
Director of Operations, Southeast
After a 23 year career with Naval Reactors/NAVSEA 08, with the last 8 years as the Naval Reactors Representative, Moored Training Ship, Charleston, Craig Richard joined the staff of ORBIS to lead our Southeast Division as the Director of Operations. Craig brings his wealth of experience and knowledge with naval nuclear propulsion, availability planning and execution, training, and research and development to our Charleston office. Craig is a graduate of the University of Pennsylvania (’88 BSE MEAM). In addition, Craig is a graduate of the Bettis Reactor Engineering School in Pittsburgh, Pennsylvania and the Naval Nuclear Power Training Unit in Charleston, SC.
Abdi Nazari
Director
Abdi Nazari is responsible for operations management, business development, and marketing strategies in the mid-Atlantic region. He has over 32 years of experience in naval engineering, program management, customer relations, and business insight. Abdi has helped ORBIS provide superior client services and experience significant growth in this region. Abdi has degrees in Chemistry and Chemical Engineering from George Washington and Catholic Universities. He has received Level III certification in Program Management from Defense Aquisition University and from Harvard Business School in Program for Management Development (PMD).
Doug Oglesby
Director of Operations, Washington, DC

Doug Oglesby joined the ORBIS team in 2017 and leads the Washington, DC office as the Director of Operations.  A career Navy Engineering Duty Officer, Doug concluded over 28 years of service with five years as the Program Manager for CVN 79 and CVN 80 (PMS 379) at the Washington Navy Yard.  He brings extensive acquisition, shipbuilding, and life cycle support experience to the ORBIS team.  Doug holds degrees from the University of Missouri-Rolla (BS in Aerospace Engineering) and Naval Postgraduate School (MS and Engineer’s Degrees in Mechanical Engineering).  He has also received Level III certification in both Program Management and Production, Quality, and Manufacturing from the Defense Acquisition University.

Jeff Cherry
Director of Operations, Norfolk

Jeff Cherry joined ORBIS in September of 2005 following a 22 year career in the Navy during which he earned a B.S. in Nuclear Engineering Technology. He was assigned to the In Service Engineering Agent (ISEA) under ORBIS’ RADIAC and RADCON Professional Service Contract as the Assistant Radiation Safety Officer for the NAVSEA RADIAC Program. He stood up a radiation safety program for ORBIS and successfully applied for and received a Radioactive Materials License from South Carolina, which he managed as the Radiation Safety Officer until it was terminated in 2015 in anticipation of moving the RADIAC ISEA. He was assigned as the company’s first Quality Assurance Manager and led the development and certification of an ISO 9001 Quality Management System. In June of 2012 he was appointed as the Program Manager for the RADIAC Contract, managing the ISEA for the RADIAC Program and administrative support for NAVSEA 04ND and NASEADET RASO. He successfully transitioned the ISEA work from ORBIS Headquarters in Charleston, SC to the Naval Weapons Station in Yorktown, VA following the award of the RADIAC contract to ORBIS for a 3rd time in March 2017.

Guy Beaudoin
Director of Operations, New Hampshire

Guy Beaudoin joined ORBIS in August of 2015 and became Director of New Hampshire Operations in December of 2018. Prior to ORBIS he completed a 35 year career at the Portsmouth Naval Shipyard in Kittery Maine as part of the Naval Nuclear Propulsion Program. Guy held several positions at the shipyard including Division Head in both the Nuclear Fluids and Mechanical Engineering Division and the Nuclear Refueling Engineering Division. When Guy retired from government service he had served as the Director of Radiological Controls. In this capacity Guy had a large staff of engineers, technicians, and scientists and was tasked with ensuring proper control of radioactivity during nuclear work. He also has extensive experience with Radiation Health, Emergency Planning and Environmental Monitoring. Guy holds a BS from the University of New Hampshire in Civil Engineering.

Richard Tomasetti
Director, Groton, CT

Rick Tomasetti joined ORBIS in September 2017 and provides management, technical direction and business oversight in support of all ongoing operations and staff engineers at this site location.  Rick has over 32 years of experience providing Engineering Services, Technical Direction and Engineering Program Management support to NAVSEA and the NAVSEA Warfare Center in Newport, RI.  Areas include system specifications, design and development, new equipment upgrades and shipboard implementation. Other general areas include quality control, program, project and organizational management, administrative and logistics support, database management, program implementation planning, and resource management.  He has a B.S. in Mechanical Engineering from New Jersey Institute of Technology and an M.S. in Operations Management from Rensselaer Polytechnic Institute.

James DiTaranto
Director, Philadelphia, PA

Jim is the Director of Operations for the Philadelphia Office of ORBIS. He comes to ORBIS with 38 years of experience working for the Naval Surface Warfare Center in Philadelphia in the area of Hull, Mechanical and Electrical engineering support to the Navy. He spent the last 23 years as the Aircraft Carrier Division Head building the Aircraft Carrier business and expanding the customer base in the In-Service Engineering, Refueling and Complex Overhaul, New Construction and Modernization areas. He’s a graduate of Widener University with a Bachelors of Mechanical Engineering degree.

Marc Baillargeon
Director Industrial Services
Marc Baillargeon graduated from the University of New Hampshire with a BS inBusiness Administration. He then completed the four year pipefitter apprenticeship at Portsmouth Naval Shipyard and received a Department of Labor Journeyman Certification. Before joining the ORBIS team in , Marc worked as a Production Resources Officer, Shop Superintendent, Assistant Production Department Refueling Manager, QA Manager, Nuclear Inspector/Supervisor, and Journeyman Pipefitter at the Portsmouth Naval Shipyard.
Scott Pratt
Director, Northeast Business Development
Scott joined the ORBIS team in December 2017 assuming responsibility for growing the business in the northeastern United States. He brings a wealth of experience having served over 29 years in the U.S. Navy. A former Surface Warfare Acquisition Professional, Scott had the honor of serving in command on five occasions accumulating over 10 years of command and senior leadership experience. His 20 years of operational fleet experience and Navy acquisition background are a perfect mix allowing him to understand both the operational and program management challenges faced by many of our customers. Holding three technical master’s degrees, Scott is also very adept in understanding the engineering and technical challenges faced by our customers. He is excited about having joined the Orbis team and to be back home in New England working in our Portsmouth, N.H. office.