David has been associated with Sesame Technologies, Inc. since 2006, when he started working with the company’s founders, Ernie and Sue Jefferson, as their small business advisor. Working closely with Ernie and Sue during the next 14 years ultimately led to the purchase of the company at the beginning of 2020. Today, David serves primarily as the company’s visionary and strategic planner.

Most of David’s time is spent as the managing principal of Seiler, Singleton & Associates, PA, a public accounting firm also located in Washington, NC. David joined the firm in 2000 as a staff accountant, became a shareholder in 2008, and became the managing principal in 2013. In 2014, David became a part of a virtual startup company, enrollmentFUEL, LLC, serving as their CFO.

David tried very hard not to become an accountant. He spent his undergraduate days at East Carolina University, where he majored in history and minored in music. Upon graduation, David discovered the low demand for history majors, and started to rethink his choice of careers. Five year later, he received a master’s in accounting from North Carolina State University. The rest is history.

When David is not working, he enjoys reading, writing, and spending quality time with his family.


Vice President

Joining the Sesame Technologies, Inc. team in January 2020, Ryan brings 23 years of manufacturing and management experience in the biosafety, pharmaceutical, and nuclear air filtration industry. Ryan is well-versed in world-wide product distribution as well as on-site global services. Ryan’s years of experience came from working with specialized manufacturing & engineering processes involving multi-grades of stainless, aluminum, and Hastelloy® components.

Ryan completed a global development program at the KTH School in Stockholm, Sweden in 2013 and periodically spent time working with manufacturing facilities in the European region thereafter. Ryan has extensive working knowledge of ISO and ASME NQA-1 quality standards along with Six Sigma, Zero Defect, FOD prevention, fraud prevention and many other world class quality control processes. 

Today, Ryan oversees the daily general management functions of the business and serves as the quality management system coordinator. When not focusing on the business, Ryan enjoys fishing, camping, and other outdoor activities with his wife and two children.


Director of Operations

James joined Sesame Technologies, Inc. in 2008. James brought a very diverse background with him that includes metallurgical research, automotive crash testing, and marine construction and waterway dredging. James has a bachelor’s degree in history from U.N.C. Wilmington.

James has been an intricate part of product development during his time with Sesame. James also played a key role in the development of our world-class manufacturing and quality programs. James now serves as the director of operations overseeing all manufacturing processes and assists as needed in the research & development department.

When not at the plant, James can typically be found on a two-wheel machine: a motocross bike or a motorcycle. James’ passion is building high-performance engines for motocross bikes and he really loves his Triumph and Ducati motorcycles. Owning over 10 bikes at any given time, James spends a lot of time in the mountains of North Carolina and Virginia riding with friends and family.


Sales/Customer service coordinator

Cheryl joined the Sesame Technologies, Inc. team in 2013. Prior to Sesame, Cheryl had 12 years of manufacturing experience in the medical device and air filtration industries. Cheryl’s experience is in approved vendor development, production planning/procurement, warehousing/global logistics, and sales & customer service.

Cheryl has a B.S. in business administration from East Carolina University. Cheryl also has wide-ranging knowledge in ISO quality standards and FDA regulations. Since 2013, Cheryl has been actively involved with the Sesame Technologies, Inc. product portfolio as well as the fitment charts which allows Cheryl to accurately align the proper product(s) with specific aircraft.

Today, Cheryl serves as the sales/customer service coordinator and her day-to-day activities are solely focused on taking care of our customers. When Cheryl is not at Sesame, she enjoys boating, fishing, and grilling poolside with her husband and two children.


Applications Engineer

Sam has been working with Sesame Technologies, Inc. since 2010. A 1992 graduate of North Carolina State University where he majored in human factors of industrial design, Sam has applied his design skills to a variety of manufacturing disciplines for over 27 years.

From 1994 to 2002, Sam designed air filtration systems for nuclear, biological, and chemical applications such as secure military sites to hospital isolation areas. Between 2002 and 2010, Sam designed and manufactured custom metal products for very exacting customers both in the private and commercial sectors.

Sam spends his time at Sesame Technologies, Inc. leading our engineering and research & development departments designing products, product manufacturing equipment, and other facility systems as needed. Sam helps to ensure the products are built to our world-class standards and the manufacturing environment is both safe and efficient. Sam is extremely detail-oriented and well skilled in metal fabrication, welding, design principles as well as design software.

When Sam is not focused on design work, he enjoys cycling, kayaking, and spending time with his wife. Most often these activities take the couple to the mountains of North Carolina.


Production Coordinator

Amanda has been a part of the Sesame Technologies, Inc. team since 2016. Prior to Sesame, Amanda served as an assistant regional manager for a retail services company and was responsible for employees and services in four states. Amanda also has a great working knowledge of heavy equipment and construction services that was obtained while managing a local contracting group.

Amanda began her career with Sesame as a production office admin gaining a tremendous amount of working knowledge of the business including all parts of Sesame’s QMS. Amanda was later promoted to quality control lead. Now Amanda is the production coordinator and is responsible for all aspects of the manufacturing processes.

Amanda is a talented musician and while not working at Sesame or in her yard, Amanda really enjoys spending time with her daughter, family, and friends.



Carolina joined the Sesame Technologies, Inc. team in 2012. Carolina is a degreed nurse and has a very strong background in personnel development. 

Carolina began her career at Sesame Technologies, Inc. as a Production Technician primarily working with the Engineering and R&D teams on new products. Carolina was later promoted to Assistant Production Coordinator where she focused on continuous improvement of processes, performed all new hire training, and continued to provide support to the development of new products. 

Today, Carolina spends her time focusing on our employees as the Human Resources Coordinator. Amongst the many hats Carolina wears, she is very involved in the training and development of all personnel.

While not at work, Carolina enjoys traveling, off-road adventuring, and spending time at the beach with her husband, her son, and her two dogs.


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Washington, NC 27889
Cage Code 0P9C7

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