Private Jet Services has put together an executive management team of experienced aviation professionals who work daily to ensure we deliver a superior experience to each of our clients. Learn more about our executives and how their leadership can help you meet all of your air travel needs.
Greg Raiff is an esteemed influencer in the aviation industry and a consummate authority on commercial and private air transportation. As an accomplished entrepreneur, Greg has over 20 years’ experience at the helm of air transportation and services companies. He has been quoted in national publications including The Wall Street Journal, The Boston Globe, The Denver Post and CNN.com. Raiff is a contributor on regional news features covering the air travel industry.
His immersion into the aviation industry was galvanized with the success of his very first business, StudentCity.com which was founded in his Middlebury College dorm room in 1989. The $7 million business, which managed spring break air transport for over 50,000 students, was subsequently acquired by TUI Travel PLC, a FTSE 100 leisure travel company listed on the London Stock Exchange (TT.L), with over 53,000 employees worldwide.
Mike MacKeen leads initiatives and investments across our Finance, Technology, Human Capital and Business Planning functions. His team delivers the infrastructure that enables our growth and assures we have the resources to deliver superior customer experience. Mike is a seasoned business builder with experience spanning from innovative start-ups to Fortune 100 companies.
Mike’s previous roles include experience as a senior executive, investor and investment banker in high-growth organizations across the Transportation, Technology, Media and Financial Services industries. Mike developed expertise in business planning and growth capital formation while raising over a billion dollars in private equity capital for dozens of innovative companies.
Mike is a Chartered Financial Analyst who holds a Masters Degree from the McDonough School at Georgetown University and a Bachelors Degree from the Carroll School at Boston College.
Michael Horrisberger is a technology leader with over twenty years of experience building high performing organizations and managing complex processes and technologies.
As the CIO, Michael is responsible for developing and executing PJS’ technology strategy and overseeing all aspects of information technology, information security, data, and analytics. He also supports the growth of the business through the enhancement of IT- and analytics-related initiatives.
Prior to joining PJS, Michael served as a U.S. Navy A6-E Intruder Pilot with Attack Squadron VA196 for seven years and he held executive leadership roles with Emery Waterhouse and Unum in business development, operations and IT management across financial services and distribution with a primary focus on enabling growth strategies.
Michael holds a Master of Business Administration from Stanford University Graduate School of Business and a Bachelor of Science from the U.S. Naval Academy.
Will Dent is the Chief Marketing Officer at Elevate Holdings, Inc. In this role, he leads EHI’s Marketing Department as the company prepares for significant growth after it acquired Keystone Aviation in January 2022. Will has extensive experience in the aviation industry as an innovative, results-driven leader with expertise in utilizing technology to deliver value, provide direction, and support company goals. He has led the establishment of several high-performing teams in large organizations in addition to start-ups.
Prior to joining Elevate Holdings in June 2022, Will was the President and Chief Technical Officer of AeroParts Now. He also worked in a senior role at Gulfstream Aerospace for over 13 years. Before his experiences in private aviation, Will served for seven years in the U.S. Army as a Helicopter Crewchief. He holds a Federal Aviation Administration Airframe & Powerplant license.
Will is an alumnus of the University of Phoenix, where he received a Bachelor of Business Administration degree. He also earned a Master of Business Administration degree from the same university. In his spare time, he volunteers as a mentor and is a board member of Performance Initiatives, a non-profit organization that helps disadvantaged youth. With his wife and two children, Will resides in Savannah, Georgia.
Andrew VanderPloeg leads PJS’s Sales team and Advisory practice. His team provides tailored insight and analysis to PJS clients to optimize their private aviation solutions and customer experience.
Mike Klemm is responsible for the PJS NHL Team Charter Program, the NCAA Team Charter Program, and all ACMI programs.
Mike began his aviation career in 1991 at Midwest (Express) Airlines, working his way through the ranks to eventually run the entire Charter Department, overseeing all sales and operations while specializing in professional and collegiate sports charters. During his tenure at Midwest he led the full season flight programs for six NHL clubs as well as ad-hoc flights for an additional 14 NHL clubs. He also led the flight programs for three U.S. Presidential candidates during the 2008 U.S. Presidential campaigns.
Mike grew up in Milwaukee, WI and is a graduate of the University of Wisconsin-Milwaukee.
Susan Flammia brings 15 years of experience in Human Resource Management and 4 years from the world of aviation. Susan holds a track record of delivering improved operations and processes, technological development and implementation, and staff training resulting in long-term efficiency savings and best HR Practices.
Tim Murphy is a seasoned legal expert with extensive experience developing and closing domestic and international project finance and corporate transactions. He has worked with many multinational law firms based out of Washington, D.C., New York, Texas and Singapore, and has many years of successful first chair and litigation management experience with State and Federal trial and appeal courts and agencies.
As General Counsel for Private Jet Services, Tim works closely with leadership and outside counsel to support all legal matters, including corporate organization, finance, contract negotiation, compliance, tax and regulatory analysis, employment law and litigation.
Tim is an alumnus of the College of William & Mary Law School and Stony Brook University in New York. Tim also attended school in Stockholm, Sweden during a year abroad. Previously based in Virginia, Tim now resides in Portsmouth, New Hampshire.