Both the SimIS leadership team and supporting staff provide the talent and diversity to accomplish various tasks that are outside of their routine skillset

Innovation and determination remain a key factor in our success, along with the unparalleled relationships we build with each of our partners and clients throughout the defense, healthcare and business communities.

Johnny Garcia, Ph.D., CEO

Dr. Johnny Garcia photo

Inspired by his parents and grandparents and dedicated to a life of service for family, community, and the technology industry, Dr. Garcia is Founder and CEO of SimIS Inc., SimIS Holdings LLC, Nimbus Health Systems, Cativa Health, Prasili LLC, Sticks Golf, Garcia ES LLC and Health Care Simulations LLC, and owner and investor in numerous other businesses.

He has become an innovation leader in the modeling and simulation, and healthcare industries. He serves area youth through his robust internship programs. His philosophy of making a difference permeates his many service activities; numerous board memberships, STEM program development and, volunteering service to local, state, and international organizations, and mentoring newly started small businesses and nonprofits.

He serves on numerous boards (President of the Hispanic Chamber, Vice Chair Hampton Roads chamber, Portsmouth Partnership, Begin Again Foundation, Chair Hampton Roads workforce council, Chair ODU College of Engineering, Chair ODU VMASC, Boys and Girls Club, Star base Victory, Communities in Schools, Portsmouth Athletic League, First Chesapeake Robotics, and many others. 

Dr. Garcia served 5 years in the U.S. Navy as an enlisted operations specialist second class petty officer and worked in industry for 15 years before founding his first business SimIS Inc.

Dr. Garcia is a known leader in the community and his service is his compass.  Dr. Garcia has degrees from Old Dominion University (PhD), St. Leo College (BA and BS) and the Florida Institute of Technology (MS and MBA).

He is the proud father of a wonderful set of 16-year-old twin daughters – Hope and Faith – and married to his lovely wife of 31 years, Lorena.

Amber Ponce, VP/Chief Financial Officer

Amber Horton photo

Amber Ponce is VP/CFO of SimIS Inc and is a key member of the leadership team that manages the Administrative Department which includes accounting, contracting, human resources, and recruiting.  Her career spans more than 17 years of varied experience supporting all aspects of small business including financial, operational, and corporate strategy.   

Amber holds a Bachelor of Science in Accounting and Management from Old Dominion University and received her MBA in Accounting and Finance from Florida Institute of Technology.

Kenneth Allison, Program Director

Mr. Kenneth Allison is the Program Director for SimIS, and is located at the Stafford field office. Mr. Allison has over 20 years of Government Contractor experience supporting the Department of the Navy, Marine Corps, and NASA in a variety of roles. Mr. Allison studied at the University of Mary Washington, and received his Bachelor’s Degree focusing in Computer Information Systems (2009). He is also a credentialed Certified Enterprise Architect (2011), with more than 10 years of focused and specialized architecture experience.

Kenneth continues to work diligently to develop lasting relationships with all that he works with, ensuring that each engagement achieves a consistent level of excellence. He has provided direct support to both the Chief Systems Architect and Chief Operational Architect of the Marine Corps in support of architecture development and architecture reviews. He has been the lead architect for several Marine Corps programs that include USMC Manpower Systems, USMC Intel Programs, PEO Land Systems, and MARCORSYSCOM (PfM SES).

In recognition of his efforts in supporting PEO Land Systems, Mr. Allison received a Certificate of Commendation (2015) for the critical role in supporting the Program Office. His dedication and meticulous execution enabled the program office to meet a critical Milestone C statutory requirement by completing the Common Aviation Command and Control System (CAC2S) Architecture, ISP and Joint Staff Certification of the CAC2S NRKPP.

Mr. Allison’s experience, attention to detail, professionalism, and work ethic illustrate why he is recognized as a subject matter expert for the United States Marine Corps architecture community.

Phoebe Stelle, Contracts Officer

Phoebe Stelle photo

Phoebe Stelle is the Contracts and ITAR compliance officer for SimIS, Inc. and has been negotiating contracts for the company since 2013. She has spent 20 years in contract administration with both large and small organizations.  During her career she has developed an impressive skill set in multiple areas such as DoD and Commercial contracts. Phoebe’s team-first approach as well as her detail-oriented nature has made her an invaluable team member.

Bill Campbell, Sr. Program Director, Test & Evaluation

Bill Campbell is the Sr. Program Director for SimIS’ Test and Evaluation efforts. Bill served in the US Navy for over 26 years, starting out as an Electronics Technician in the Naval Nuclear Power Program, then after commissioning, as a Naval Flight Officer (NFO) in the E-2C Hawkeye, a Tactical Action Officer, NFO Instructor, Operational Test Director, and NROTC Assistant Professor of Naval Science.   Since his Navy retirement in 2002, Bill supported the Joint Test and Evaluation (JT&E) Program on the Engineering Services contract in various capacities including Lead Test Planner, Operations Research Systems Analyst, and Task Manager on a variety of programs including Joint Methodology to Assess C4ISR Architecture Joint Test (JT), Joint Shipboard Weapons and Ordnance Quick Reaction Test (QRT), Joint Shipboard Ammunition and Ammunition Board Reviews QRT, Joint Test and Evaluation Methodology JT, Joint Data Integration JT, and Four Pillars of Integrated Air and Missile Defense JT.  Between JT&E projects, he also served as a Sr. Program Manager at the Office of Naval Intelligence supporting the Joint Deployable Intelligence Support Systems, Naval Information Technology Enterprise Services, and Intelligence Product and Analysis Support programs. Bill is now SimIS' Sr. Director, Test and Evaluation, and the Contract Program Manager for the JT&E Program Office (JPO) Support Contract. Mr. Campbell earned his Master’s in Engineering Management from Old Dominion University.


Julian Baena, Business Development Director

Rob Grimes, Director of Operations