Leadership Team

Bridget Abashian, President, Catalyst & CEO

Ms. Bridget Abashian combines over 25 years of management experience overseeing software engineering/development, R&D of artificial intelligence, and cyber security systems. In addition to executive responsibilities at Sentar, Ms. Abashian spends a significant percentage of her time working directly with Sentar’s government customers and business partners to solve their cyber security needs.

Peter Kiss, Chief Visionary Officer, Co-Founder

Mr. Peter Kiss combines over 30 years of executive management experience with expertise in software systems engineering, analysis and development, and in-depth R&D work in the areas of artificial intelligence, Cyber Security and BMC3 systems. Mr. Kiss started his career out of academia at IIT research Institute. He then joined GE as chief engineer and Program manager for very large classified programs, receiving additional management and executive skill training at GE’s Crotonville complex. He continued his career as an executive with The BDM Corporation, where he developed an entirely new and profitable business area for the company. Peter worked on various missile defense and BMC3 programs since 1983. In 1990, Peter founded Sentar, Inc. and was CEO for 20 years. In addition to continuing executive responsibilities at Sentar, Peter spends a significant percent of his time contributing technically to projects. He has been a significant contributor to the company’s R&D in Knowledge-based Systems and agent-based technologies, including the invention of the Patented KnoWeb® technology. Peter's technical work has been focused on Cyber Security Technologies and Services since the early 2000s.

Karen Kiss, Corporate Director and Vice President, Co-Founder

Karen’s experience began in Retail where she was quickly promoted to managing several fabric stores early in her career. Next, she gained significant HR experience working for a recruiting firm before accepting a position as an employee relations specialist with a hospital. Later, she was hired into General Electric’s Space Systems HR department in Huntsville as Staffing Center Manager for a 500 person program surge. Karen began her first entrepreneurial opportunity as owner of three franchise stores for 13 years before being hired as the corporate Regional Director over 19 states. Karen co-founded Sentar in 1990 and is a member of the corporate Leadership Team. Karen’s primary responsibilities include community relations, strategic planning, and business development. Karen also spends a significant amount of time and effort giving back to the Huntsville Community. Karen is a member and Past President of the Women’s Economic Development Council (WEDC). She serves on several boards, including the Huntsville Symphony Orchestra (HSO) Foundation, HSO Board of Trustees, HSO Guild, and More To Life Huntsville, while also holding leadership roles in other organizations. 

Dale Brown, Executive Vice President (Army, Air Force, ICS, MDA & NASA)

Mr. Dale Brown serves as Sentar's Executive Vice President for Huntsville Operations. Dale has 34 years of leadership and management experience in addressing system, cyber security and enterprise software solutions for government and commercial industries.  Mr. Brown oversees Huntsville area business that includes engineering support and program security services for the Missile Defense Agency, information assurance and cyber security support for Army Material Command (AMC) and Army Missile Command (AMCOM), and cyber security technology development focused on the unique needs of DoD and Federal clients.  Previously, Mr. Brown had executive level responsibility as head of Research and Operations responsible for developing advanced dispatch management systems using GPS and geo-spatial technologies.  He also served as Director for System and Network Services for Intergraph Corporation with responsibility for North American operations.   He earned a Master of Administrative Sciences (MAS) and is ISACA Certification in the Governance of Enterprise IT (CGEIT). He has also served on the Board of Directors for the Huntsville Association of Small Business in Advanced Technology (HASBAT).  He has 25 years' experience managing large-scale system development and integration projects for Government/DoD clients and has 12 years of programmatic management experience in Information Assurance (IA) and Cyber Security. Dale is a recognized subject matter expert in the strategic development and implementation of complex programs.

April Nadeau, Vice President (DHA, SPAWAR, Navy & Marine Corps)

Since 2008, April Nadeau has actively participated in a variety of roles throughout the Charleston Defense Industry and is well-respected in both government and contractor communities. She joined Sentar in March 2012 as the Division Manager and was promoted to Vice President in February, 2016. April directs all of Sentar’s SPAWAR, DHA, Navy, and Marine Corps programs, responsible for managing multiple programs, people and processes. April facilitates positive results through energetic individual effort and efficient resource management. Her efforts resulted in Sentar receiving recognition as one of the Best Places to Work in South Carolina for 2016. As a valued member of Sentar’s Leadership team, April develops strategic ways to grow the company, extending its reach and reputation. These tasks include opportunity identification and capture, acquiring and maintaining customer and partner relationships, and supporting proposal efforts. Prior to her election to the CDCA Board of Directors in 2015, April served on the CDCA Education Committee. Aside from her executive duties at Sentar and work with CDCA, April is active among a variety of other organizations and several boards including SPAWAR Executive Industry Council (2014-2015); Women in Defense Palmetto Chapter Executive Board, Treasurer (2012-2013); Women in Defense Palmetto Chapter Membership/Sponsorship Director (2010-2015); AFCEA Treasurer (2014). April graduated with a BA in History from Tulane University.

Sharon Yalowitz, Vice President (Administration)

Ms. Sharon Yalowitz is Vice President of Administration at Sentar, overseeing all Human Resource, Legal and Contractual matters. Sharon has 31 years experience working in Government Contracting with universities, large business, and small businesses including Alaskan Native Owned, 8(a), and Women-Owned businesses. Sharon has a master’s degree in contracts and acquisition management from Florida Institute of Technology and a Bachelors Degree from Athens State University. She served as Director of Contracts, Accounting, and HR, and Chief Financial Officer for a small 8(a) business in Huntsville. That experience led to her role as President of a shared services firm providing Human Resources, Accounting, and Contract Administration services to 12 companies owned by Bristol Bay Native Corporation. Sharon’s proposal and contract administration experience covers multiple DOD agencies, along with, NASA, DOE, USDA, and FAA. Sharon’s interface with DCAA and DCMA covers proposal audits, financial capability audits, time sheet audits, forward pricing audits, incurred cost audits, and billing system audits.

David Huchette, Vice President (Intel)

Mr. David Huchette (Dave) has a long (30 year) history in the Intelligence Community supporting a variety of organizations. Dave started his career as a FORTRAN programmer on a large SIGINT system. Moving on to areas of increasing responsibility, Dave has spent most of the last 20 years in various management and business development roles for a variety of large and small companies including:  General Dynamics, CSC, KPMG, and Verizon. Most recently, Dave has been the COO of a small Virginia-based company, where he served many roles including:  FSO, HR, recruiting, contracts, and business development. During his tenure, he was responsible for significantly growing the firm as well as diversifying the contract base to include agencies such as NRO, NGA, USAF, Army, and US Navy.

Deborah Williams, Director (Land & Federal Systems)

Ms. Deborah Williams, CISSP, has over 20 years of professional and management experience, specializing in Cyber Security since 1999. Deborah serves as Director of Land and Federal Systems for Sentar, supporting numerous Government and Military clients as a Strategist, Analyst, Engineer and Program Manager. She has worked across the Cyber Security life cycle, from design and implementation, acquisitions, policy development and operations, and assessments involving both field work and large headquarter activities. Ms. Williams holds a Bachelors and a Masters degree from the University of Alabama at Birmingham.  Areas of special interest include enlightened cyber security management, and risk assessment methodologies. Deborah is also an active volunteer in Huntsville's non-profit community.

Daniel Lambert, Director (Missiles & Space Systems)

Mr. Daniel Lambert joined Sentar’s Huntsville based group in the Land Air and Space Business Unit in August of 2016. Dan serves as the Director of Missiles and Space Systems with a focus on Missile Defense Agency, Space and Missile Defense Command, and Air Force while simultaneously serving as Director of R&D. Dan has a long history (20+ years) in the missiles, space and cyber security business area with a focus on the Huntsville DoD/Federal community. He most recently served as Senior Manager of Missile Defense for Harris Corporation (Huntsville Site). Prior to Harris, Dan was Vice President of Advanced Technology for Analytical Services, Inc. (ASI). At ASI, Dan was responsible for winning the Missile Defense Data Center contract with the Missile Defense Agency, a $500M Small Business Set Aside, where he served as Program Manager. He also served as Director of Information Engineering with L-3 Communications for 12 years after spending 6 years at Marshall Space Flight Center with Computer Science Corporation (CSC) as a Senior Systems Engineer. Dan proudly served in the United States Marine Corps and holds both bachelor’s and master’s degrees in engineering from the University of Alabama in Huntsville as well as a Master of Business Administration from the University of Alabama.

Joseph Sabin, J.D., Portfolio Manager (Cyber Security & Health IT)

Mr. Joseph Sabin, J.D., serves as a Portfolio Manager for Sentar’s Cyber Security and Health IT programs. Joe has more than 26 years management and execution experience within cyber security, health IT, HIPAA compliance, policy, technology, and communications domains. As the Program Manager for Sentar’s Defense Health Agency (DHA) task orders Joe has led various functional cyber security teams and activities within the DHA and across Navy Medicine. In addition, Joe supports business development and capture strategy efforts and contributes to corresponding capabilities identification, development, and sustainment. Joe proudly served in the U.S. Army as Audio Visual Director for Presidential Events within the White House Communications Agency (WHCA) and Newscast Director for the American Forces Korea Network (AFKN). Joe holds a Juris Doctor and Post Graduate Certificate in Communications Law and Policy from the Catholic University of America, Columbus School of Law, and a Bachelor of Arts degree in Communications from George Mason University.  He has earned the Certified Information Systems Security Professional (CISSP), Certified Business Continuity Professional (CBCP), and Fully Qualified Navy Validator (FQNV) designations, among others.