The Team

Mark Bloomer

Co-founder

Mark Bloomer leads by example, having established a reputation for perceptive market intelligence and personalized customer service. After completing his education in aviation technology with a minor in business and business law at Purdue University, Mark started his successful business aircraft sales career as a factory marketing representative at Cessna before founding Bloomer deVere. Mark is an active, multi-rated Airline Transport Pilot and brings some 32-years experience to our team.

Brant Dahlfors

Co-founder

Located in Newport Beach, CA, Brant brings 35 plus years business aviation experience, most recently with Bombardier Aerospace leading their North America new aircraft sales team who were responsible for over 1,000 new and pre-owned sales during his 19-year tenure. Previously, Brant launched the TBM 700 program for TBM North America, he lead sales and marketing for Mooney Aircraft and started his career at Beech Aircraft in 1979.

Gary Roxburgh

Sales Executive

Located in West Palm Beach, FL, Gary is rated in the Boeing 727, Boeing 737, Falcon-50, Falcon-900 GII, GIII, GIV and Westwind. He has over 25-years flight operations experience with several major corporate flight departments. His current flight activity provides the team and our clients with the latest market developments and trends directly from the front-line operator’s position.

Elise Morimoto

Operations Manager

Since 1998, Elise has played a vital role in overseeing buy and sell transaction documentation. Additionally, she coordinates advertising, accounting and market research activities on a daily basis.

Sydney Zacsek

Sales Director 

Sydney leads the Sale and Acquisition projects at JetTransactions along with marketing and business development initiatives. She brings strategic and technical expertise to each transaction, consistently establishing a competitive advantage for her clients.
Prior to joining JetTransactions, Sydney worked for a leading business aviation company, where she gained valuable experience in FBO Services, Aircraft Management, and Jet Charter. She holds a Bachelor of Science degree in Aviation Administration from CSU Los Angeles.
Sydney remains actively involved in the aviation community through her memberships in the National Business Aviation Association and The Ninety-Nines, reflecting her commitment to advancing both the industry and fellow aviators. She is also an instrument-rated pilot with over 300 hours of flight time.

Spencer Bloomer

Sales  Director

Spencer supports and manages Sales and Acquisition Projects, conducting research and analysis on current and previous industry trends, and compiling statistical market reports for prospects and clients. He also oversees other avenues of business development, such as marketing and developing client relationships. Spencer received his Bachelor’s degree from Boston University and currently operates out of our Van Nuys Airport Office.

Sebastian Jung

Sebastian earned his private pilot license in high school and went on to pursue his undergraduate degree in Switzerland, where an immersion in the European business and aviation market laid the foundation for a career in corporate aviation. Following his studies, Sebastian joined an aviation firm in Zürich, where he gained his experience in data analysis and deal execution, and also became fluent in German. Through his contributions, he earned a reputation as a trusted source of market knowledge within the industry.
Sebastian is continuing his aviation career with JetTransactions.  His insights into global market and macroeconomic trends support the company’s sales and acquisition initiatives. He uses these insights to enable our clients and the sales team to make informed, data-driven decisions.

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