The Team

Mark Bloomer


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


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 supports and manages the Sale and Acquisition Projects by providing technical research, developing client proposals, and oversees the company’s day-to-day marketing efforts. Prior to joining JetTransactions Sydney was an Executive Assistant for a leading business aviation company bringing experience in FBO Services, Aircraft Management, and Jet Charter. She earned a Bachelor of Science Degree in Aviation Administration from CSU Los Angeles, and has been involved in aviation for over a decade. Holds a FAA Private Pilot Certificate and is currently working towards her Instrument Rating.

Spencer Bloomer


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.

Nathalie Drolet

Aircraft Consultant

Nathalie’s passion for business aviation began over 23 years ago. Nathalie has worked for some of the industry’s most prominent players – including Bombardier Aerospace, Flexjet, Eclipse Aviation, and BBA Aviation, in sales, marketing and business development.

In 2010, she was appointed as Director on the Colorado Aviation Business Association board.

A born strategist who has worked with FBOs, aircraft manufacturers, fractional ownership providers, training providers and aircraft brokers, Nathalie has earned the respect of the aviation community for going above and beyond for customers’ and key stakeholders alike, which in turn helped her develop long-lasting relationships.

She has started her pilot’s license with the intention of flying again someday.



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