Managing Director, Aerospace / Defense & Government Services
Josh Ollek is a managing director for William Blair based in the firm’s Charlotte office. He joined William Blair's investment banking team in 2017. Prior to William Blair, he worked for BlackArch Partners and the United States Army.
AviationPros Podcast: Addressing Trends and Concerns in the FBO Industry
has been acquired by
January 2025
William Blair acted as the exclusive financial advisor to Robin Radar, advising the founder and shareholders, including Inkef Capital and SHIFT Invest, in connection with its pending sale to Parcom Capital Management.
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has partnered with
a portfolio company of Instar
December 2023
has been acquired by
a portfolio company of SAR Trilogy and Redbird Capital
April 2023
William Blair acted as the exclusive financial advisor to Epps Aviation in connection with its sale to Aero Centers, a portfolio company of SAR-Trilogy and RedBird Capital.
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a portfolio company of KKR
has divested its Stuart, FL location to
a portfolio company of Ridgewood Infrastructure
May 2022
William Blair acted as the exclusive financial advisor to Atlantic Aviation, a portfolio company of Kohlberg Kravis Roberts (KKR), in connection with the divestiture of their Stuart, FL location to APP Jet Center, a portfolio company of Ridgewood Infrastructure.
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has been acquired by
a portfolio company of Blackstone, Global Infrastructure Partners and Cascade Investment
July 2022
William Blair acted as the sole financial advisor to Truman Arnold Company’s FBO Network (TAC Air) in connection with its outright sale of all operations to Signature Flight Support.
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a portfolio company of Blackstone, Global Infrastructure Partners and Cascade Investments
has divested three FBO locations to
a portfolio company of KKR
July 2022
a portfolio company of
NexPhase Capital Partners
has been acquired by
March 2022
William Blair acted as exclusive financial advisor to Hawthorne Global Aviation Services (Hawthorne), a portfolio company of NexPhase Capital, in connection with its sale to NOVA Infrastructure Management and Wafra Real Assets & Infrastructure.
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a portfolio company of
AE Industrial Partners
has merged with
December 2021
William Blair acted as the exclusive financial advisor to BigBear.ai, a portfolio company of AE Industrial Partners, in connection with its pending merger with GigCapital4, Inc. (NYSE: GIGGU).
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has acquired
November 2020
Advanced Ballistic Protection Business
has been acquired by
January 2020
has been acquired by
August 2019
William Blair acted as the exclusive financial advisor to Leading Edge Jet Center LLC (LEJC), a subsidiary of Leading Edge Aviation, Inc., in connection with its sale to InstarAGF.
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has been acquired by
February 2019
Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.
More about investment banking at William Blair
William Blair’s Aerospace, Defense, and Government Services team is a trusted advisor to investors and high-growth companies, as well as firms providing services to governments at the federal, state, and local levels. We advise across a full spectrum of transaction types, including M&A and capital raise situations.
Our clients depend on our long-standing relationships with strategic acquirers and financial sponsors, as well as our knowledge of market dynamics, regulatory requirements, and contractual complexities of numerous subsectors.
More about our aerospace, defense, and government expertise
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*
Year William Blair was founded
Employees worldwide
Client assets
Independent and employee-owned
Offices worldwide
Companies under coverage
As of March 31, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.
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