Meet Our Sales Team

Your Mission Partner.
Our team is dedicated to supporting our customers and their missions with fanatical customer service and unwavering technical partnership. Let us know how we can support you!

James Kwon
VP Sales

Kevin Leitch
Director of Business Development | International and U.S. Army

Tromer DiFiore-Smith
Program Manager | U.S. Navy

Sam Inthirath
Program Manager | U.S. Commercial (Non-DoD)

Michael Ponder
Program Manager | U.S. Air Force

Jay Williamson
Program Manager | U.S. Army

Danielle Martinez
Inside Sales

Michael Prather
Inside Sales

James Kwon
VP SalesEmail: jkwon@systelusa.com
James joined Systel in 2004, and for past twelve plus (12+) years, he has led the sales department, overseeing direct sales, business development, and program management. Embracing the core values of Passion for Improvement and Fanatical Customer Service, he has been instrumental in increasing program wins and seeding and expanding Systel’s product portfolio into numerous verticals within the defense and commercial sectors. He holds a bachelor’s degree in Natural Science from the University of Texas at Austin and an M.B.A. from Rice University in Houston, Texas. Outside of work, he enjoys spending time with his wife and two children along with sporting activities such as swimming, tennis, and running.

Kevin Leitch
Director of Business Development | International and U.S. ArmyEmail: kleitch@systelusa.com
Kevin heads Systel’s business development effort across several international segments, including defense, aerospace, and commercial-industrial channels. In the US, he leads our US Army Aviation, and our US Army Missiles & Space business development. Kevin has extensive experience in aerospace & defense and holds a bachelor’s degree in aeronautics from Embry-Riddle Aeronautical University, Daytona Beach, FL, an M.B.A. from Benedictine Catholic University, Chicago, and a doctoral degree from the University of Southern California. Outside of work, he serves in the Army Reserves and enjoys spending time with his family and their German Shepherd Dogs, planning and sometimes even executing home projects. A life-long learner, Kevin is also a licensed pilot.

Tromer DiFiore-Smith
Program Manager | U.S. NavyEmail: tdifiore@systelusa.com
Coming up on two (2 )years with Systel, Tromer is the newest program manager to the sales team, and is responsible for managing U.S. Navy and other maritime programs. Tromer’s entire professional career has been in various roles supporting DOD customers across the globe, providing equipment and training to the warfighter. He is a U.S. Army veteran and has a BA in Criminal Justice from Sam Houston State University. Tromer loves to travel, taking on all the challenges of being a new father to two young, beautiful girls, and brewing his own beer when the time allows!

Sam Inthirath
Program Manager | U.S. Commercial (Non-DoD)Email: sinthirath@systelusa.com
Sam is the Program Manager for US Commercial (non-DoD) systems at Systel. Sam has been in the technical sales for the past fifteen (15) years from oil & gas, law enforcement, DOD, and commercial fields. He is also a prior service US Marine with a bachelor’s degree in marketing from MSU. Outside of work he plays guitar and sing in classic rock cover band, and enjoys long distance precision shooting, Star Wars cosplay, and binge watching shows with his two pit bulls and three cats.

Michael Ponder
Program Manager | U.S. Air ForceEmail: mponder@systelusa.com
Michael is the program manager for U.S. Air Force systems at Systel. He has twenty-five (25) years of professional experience spanning multiple industries. He has held positions in large companies performing QA/QC for large building projects, and has been a CAD/GIS Administrator. He began working at Systel in 2007 as a Draftsman/Modeler, moved up thru engineering and is currently a PMP certified Program Manager. Outside of work Michael enjoys hunting, fishing, Ice Hockey, and working on classic vehicles.

Jay Williamson
Program Manager | U.S. ArmyEmail: jwilliamson@systelusa.com
Jay is the Program Manager for U.S. Army Systems at Systel, where he has been part of the team for four (4) years. With over seventeen (17) years of experience in supporting DoD customers, he is dedicated to providing the best equipment for our warfighters. Jay has a passion for emerging technologies and brings this drive to his work, always striving to stay ahead of the curve. A Texas native and Texas A&M University alum, Jay enjoys the outdoors with his family, hunting and fishing with his son, and boating with his wife and daughter.

Danielle Martinez
Inside SalesEmail: dmartinez@systelusa.com
Danielle was excited to join the Systel team in 2022 as Inside Sales Support for Navy programs. She has over ten (10) years worth of experience in sales, purchasing, customer service, and management. She is dedicated to ensuring the best experience for any Systel customers in need of our products. At home, she is a devoted mother, step mother, and grandmother, and enjoys spending time with her family, cooking new meals, playing with the family dog, and going on outings in the Houston community with friends.

Michael Prather
Inside SalesEmail: mprather@systelusa.com
Michael joined Systel in 2017 as an Inside Sales Support team member, working with multiple program managers to assist in quoting and creating systems for various commercial, governmental and international customers. He has over twenty-five (25) years of experience in sales and customer service, dating back to his first job as a grocery store cashier. Michael has an avid interest in evolving computer technology, always looking for new and innovative ways to incorporate the latest hardware into a computer system. He holds a bachelor’s degree in Communications – PR/Advertising from the University of Houston with a minor in Film Studies. He is an avid fan of music, movies, science fiction and the Houston Astros. Outside of Systel, he usually can be found attending live concerts and baseball games, and keeping up with the latest adventures of The Mandalorian (and Grogu).

Trade Shows and Conferences
Our team is constantly on the move, exhibiting at and attending trade shows and events throughout the year. You can check out the complete 2023 list of shows here. Contact us to schedule a meeting – we look forward to it!