Devin Scott

Founder & CEO

Devin Scott leads Stealth Power focusing on the company’s mission – conservation through innovation. Stealth Power was created as a natural evolution of Scott’s richly diverse business and environmental expertise: He began his career as an environmental and real-estate attorney with the international law firm of Graham & James; cofounded Restoration Cleaners; and served as CEO of American Energy Sales, an energy brokerage firm with almost 500 sales representatives nationwide. Scott received his law degree from Pepperdine University School of Law. Scott and his wife, Karyn, also cofounded the charitable organization Kids In a New Groove, which provides private music mentoring and lessons free to children in foster care.

Shannon Sentell, Ph.D.

Chief Operations Officer

Shannon Sentell is the Chief Operations Officer for Stealth Power – the global leader in mobile power and idle-reduction technology.  Before he joined Stealth Power, Shannon was an Assistant Professor and Director of the Physics Program at the U.S. Military Academy at West Point, where he retired after 24 years of service as an Army officer. 

During his Army service he held numerous front-line tactical leadership positions including tank and scout platoon leader, executive officer and company commander.  He deployed twice to the Middle East in support of Operations Vigilant Warrior and Iraqi Freedom.  Additionally, Shannon served in several strategic-level staff positions including Senior Defense Fellow in the Office of Senator Jeff Sessions (R-AL), Congressional Liaison Officer for the Secretary of the Army and as Legislative Advisor to the Army Chief of Staff. 

Shannon is a native of Gaffney, South Carolina, and a graduate of the U.S. Military Academy at West Point where he earned the Clifton Carroll Carter Award as the highest ranked graduate in Mechanical Engineering.  He holds two advanced degrees including a Ph.D. in Nuclear Engineering and attended the University of South Carolina and the Massachusetts Institute of Technology.  He completed his post-doctoral studies as an Army War College Fellow at the Fletcher School of Law and Diplomacy at Tufts University.  Shannon lives in Austin, TX with his wife Amala and sons Gray, Sloan and Talbot.

Tamera Gugelmeyer

Chief Marketing Officer

Tamera Gugelmeyer comes to Stealth Power with a track record of building award-winning marketing and communications initiatives for a variety of corporate, start-up and social impact entities. Her work as a digital marketing catalyst has catapulted organizations forward and has been recognized with a Cannes Gold Lion, multiple Bronze Lions, D&AD Pencils, Webby Awards, NY Addys and a Jay Chiat Award. An occasional writer, Tamera’s work can be found in a number of online and print publications, and she has spoken at numerous conferences, events and universities.

Tamera started her career in telecommunications and technology, has been deeply involved in humanitarian, sustainability and disaster response efforts, and currently sits at the nexus of green technology innovation as Stealth Power’s Chief Marketing Officer. Widely traveled, she has lived in the Philippines and the UAE and has worked extensively throughout Europe, the Middle East and Southeast Asia. Tamera holds a graduate degree from the University of Denver’s Josef Korbel School of International Studies and an undergraduate degree in Sociology from Northern Arizona University, where she graduated Summa Cum Laude. A recent transplant from New York City, she is currently soaking up the sun in Austin.


Bill Needles

Sales Director

Bill Needles brings more than four decades of vital community service to Stealth Power as a former Austin-area Emergency Medical Services provider. He began working as a Paramedic in 1974 in Ohio and, in 1981, transitioned to Austin-Travis County EMS. While at Austin-Travis County, Bill served as an EMT and Paramedic in numerous divisions, including Fleet and Facilities, the Motorcycle Response Unit, Communications, Field Operations and Training. Notably, Bill also served as a Senior Flight Paramedic on the StarFlight Rescue Helicopter.

Today, he continues to work in public safety by ensuring emergency-response agencies and public works departments have access to the latest intelligent energy technology for their fleets and equipment. Originally from the great midwestern state of Ohio, Bill has enjoyed living in Austin since the early 1980s. Bill attended the University of Cincinnati, studying business and graduating from the Medical School Paramedic Training Program. With one daughter still in college, Bill travels regularly to visit his other daughter and granddaughter in the UK – though you’ll most often find Bill on the road traveling around the US in the Stealth Power Chevy Tahoe, demonstrating our latest and greatest green technology innovations.

Technical/Administrative Team

Youssef ID BABOU, Mechanical Design Engineer Intern

Eric Baek, Electrical Engineering Intern

Benny Coronado, Shop Manager

Jose Figueroa (NYC), Senior Technician

Mitchell Gregonis, Master Automotive Technician

Brempster Hewitt, Junior Technician

Kofi James, Principal Control System Engineer

Kyndal Jeter, Office Manager/Executive Assistant

Lamar Kingsley, Senior Engineer

Austin Kozlovsky, Junior Technician

Paul Medvedev, Senior Technician

Mark Schiffgens, CPA/CFO

Donika Toncheva, Product Marketer