William & Wall Welcomes Jack Stelianou as Vice President

Stelianou to Lead National Origination Strategy Across the Middle Market

SCOTTSDALE, Ariz., Dec. 1, 2025 -- William & Wall, a Scottsdale-based investment banking firm advising privately held middle-market businesses, today announced that Jack Stelianou has joined the firm as Vice President. In this role, Mr. Stelianou directs the firm’s national origination strategy, working closely with founder-led companies, private equity sponsors, and family offices to advance liquidity, growth, and succession objectives across the middle market.

Prior to joining William & Wall, Mr. Stelianou built a track record of originating and closing more than $1 billion in commercial real estate financings across multiple asset classes. He brings a disciplined, analytical approach to M&A advisory dialogue and mandate development. Mr. Stelianou holds an M.S. in Quantitative Finance and a B.S. in Financial Analysis from the University at Buffalo and is based in Arizona.

Jack Stelianou, Vice President at William & Wall.

About William & Wall
William & Wall is a Scottsdale, Arizona-based investment banking firm advising on mergers and acquisitions for privately held middle-market businesses. The firm specializes in sell-side engagements and strategic advisory, leveraging deep transactional expertise and a targeted network of strategic and financial acquirers. For more information, visit www.williamandwall.com.

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