Management Team

Zia Islam

President and CEO

Zia Islam is the award-winning Founder, President and Chief Executive Officer of Zantech. Under his leadership and strategic direction, Zantech has grown from one person to a large solution leader with an impeccable reputation for delivering value in service to our great nation in more than 30 CONUS locations nationwide and a strong OCONUS presence. Over the past 11 years he has grown Zantech to an impressive $50M in revenue. Prior to establishing Zantech in 2007, Mr. Islam spent 14 years at General Motors Corporation as a Senior Project Manager. He focused on continuous process improvement, earning the ASI Six Sigma “Black Belt Award” for Design and receiving the GM Chairman’s Honors award. He brings the same quality focus to Zantech. Mr. Islam received a MS in Systems Engineering from Ohio University. In addition, he holds BS and MS degrees in Mechanical Engineering from Aligarh Muslim University, having received an Aligarh Muslim University “Gold Medal” upon completing his Masters degree.

Dr. J. Greg Hanson

Executive Vice President and COO

Greg Hanson is responsible for all of Zantech’s operating activities, including business development, revenue and sales growth, contract management, execution and delivery. Dr. Hanson brings more than 30 years of experience in leadership positions in the Federal defense and civilian sectors, as well as industry and academia. He has served as President, General Manager, Chief Operating Officer (COO), Chief Information Officer (CIO), and Chief Technology Officer (CTO) for high-technology and IT services companies ranging in size up to $400M in annual revenue. Dr. Hanson was the CIO for the US Senate where he was responsible for technology vision, strategy, and operations of a 500-person organization and a $150M budget. Prior to joining industry in 1997, Dr. Hanson had a distinguished career in the US Air Force (USAF), retiring as Chief Software Engineer at USAF Headquarters. Dr. Hanson earned his PhD in Computer Science from the University of Central Florida, an MS in Information Systems from the USAF Institute of Technology, and a BS from the USAF Academy.

R. Scott Milner

Vice President for DHS Operations

Scott Milner is responsible for Zantech’s DHS operational business activities, including contract management, execution, client delivery, business development, revenue and sales growth. Mr. Milner brings more than 18 years of professional leadership experience in government and industry program management across the business, acquisition, and system engineering life-cycles for DHS and DoD clients. He has served as Director, Senior Associate, and Lead Systems Engineer for small and large IT consulting companies and aerospace companies. Most recently, Mr. Milner provided leadership to a diverse team of over 170 cross functional staff and a business portfolio of $90M across DHS. Mr. Milner earned his PMP from the Project Management Institute, an MS in Engineering Management/Systems Engineering from The George Washington University, and a BS in Mechanical Engineering from Virginia Tech.


Business Development Team

Kevin Stenstrom

Vice President, Business Development

Kevin Stenstrom is a strategist and business development leader recognized and known for developing and motivating cross-functional teams to achieve superior results and execute on time and on budget.  In his role, he is charged with developing and deploying business development and capture strategies, building a pipeline for high end mission solutions for software development, modeling and simulation, cyber, C4ISR and systems engineering work. Mr. Stenstrom has served in a variety of business development leadership roles at both large and small businesses for more than 10 years, spread across both the Defense and Civilian sectors of the Federal government. Prior to entering private industry, Mr. Stenstrom served for 23 years in the US Navy in varying leadership roles, including several squadron tours in the P-3C Orion. He finished his naval career at the Navy International Programs Office, working in its Strategic Planning Directorate.  Mr. Stenstrom earned MA degrees in National Security and Strategic Studies from the US Marine Corps War College, and Human Resource Development from Webster University. He also earned a BA in Economics from College of the Holy Cross.  

Diane Cremer

Director, Business Development

Diane Cremer has more than 35 years of senior-level experience in new business development and capture management. Ms. Cremer is recognized for her ability to effectively prioritize activities and achieve defined objectives, and the ability to translate business requirements into major revenue sources. Ms. Cremer brings a strong skill set of business solutions, marketing and technical sales management from her involvement working with the DoD. Ms. Cremer is an active member in Armed Forces Communications and Electronics Association (AFCEA), Women in Defense (WID), National Defense Industry Association (NDIA), and Armed Forces Military Comptroller Association (AFMCA).

E.J. Trivette, PMP

Director, Capture

E.J. Trivette serves as the Director of Capture for Zantech. Mr. Trivette has over 20 years of experience in Federal Government contracting including design, development, engineering, program management, business operations, business development, capture, and proposal development. He has worked as the lead engineer for teams in the development, operations, and maintenance of systems that directly support the warfighter including aircrew trainers, part task trainers, live-virtual-constructive engagement systems, RF system test signal generators, and data center upgrades. Mr. Trivette has served in a variety of operational leadership roles at both small and large businesses and has over 10 years of direct experience in Business Development and Capture Management. Prior to entering the defense contracting industry, Mr. Trivette had a distinguished career in the US Air Force, retiring as the lead officer instructor at the National TEMPEST School at Lackland AFB, Texas. Mr. Trivette earned a PMP certification from the Project Management Institute and a BS degree in Electrical Engineering from the University of Florida.

Dr. Deanna Winstead

Proposal Manager & Marketing Lead

Deanna Winstead drives Zantech’s proposal development process with more than 12 years of experience supporting proposal efforts for Federal Government contracts as well as making contributions to social science research in the areas of education, workforce development, school violence prevention, substance abuse prevention, and child abuse and neglect prevention. Dr. Winstead’s proposal efforts have focused on federal government and civilian programs that primarily provide information technology, systems engineering, logistics support, and health IT services. Overseeing corporate marketing and branding are also key components of Dr. Winstead’s skill set. Dr. Winstead earned her PhD in Research Methodology from George Mason University, a MEd in Educational Psychology with a concentration in assessment, curriculum, and evaluation, and a BA in Psychology.


April Johnson, CPA

April Johnson is responsible for monitoring, reporting and analysis of financial activity at Zantech.   Possessing over 17 years of Accounting and Finance experience from various industries, Ms. Johnson provides support to Operations, Contracting, Executive Management and Proposal Divisions by performing daily operational accounting, assessing profitability, pricing proposals and managing internal and external reporting.  Ms. Johnson graduated from the University of Virginia with a MS in Accounting and BS in Commerce, and has held the Certified Public Accountant designation in the State of Virginia since 2002.

Human Resources

Kimberly Barker, SPHR

Director, Human Resources

Kimberly Barker serves as Zantech’s Human Resources Director and is responsible for all aspects of Human Capital. Ms. Barker possesses over 15 years of Human Resources and general Business experience from various industries and organizations.  From Recruiting to Onboarding and Benefits to Performance Management, Ms. Barker runs an efficient, compliant and cost-effective HR Organization, as well as one that values and builds the professional skill development of the team. Ms. Barker graduated from Washington State University with a BA in International Business and Marketing and has held her Senior Professional Human Resources certification since 2005.


Dr. C. Allan Foy

Senior Advisor

Allan Foy, Ph.D., retired from Zantech in 2016 and serves as a Senior Advisor, offering continued support in strategic decision making and proposal development within the Federal Government market sector. Before joining Zantech, Dr. Foy spent more than 15 years leading successful capture and proposal development efforts for large and small business clients, including QSS Group, Inc., Raytheon, and SAIC. Dr. Foy spent 16 years with System Planning Corporation (SPC), during which time he provided program management leadership for nationally-important programs to design, develop, fabricate, deliver and operate state-of-the-art instrumentation radar systems for Department of Defense low-observable programs. He holds a Ph.D. degree in Mathematics from the University of Michigan and a B.S. degree from the U.S. Naval Academy. Dr. Foy served our great nation as a nuclear submarine officer while on active duty in the U.S. Navy.