John S. (Jack) Baumann
Partner
John S. (Jack) Baumann
Corporate attorney with more than 35 years of experience advising on mergers and acquisitions, private equity, complex transactions, securities offerings, joint ventures, and high-level strategic business initiatives.

John S. (Jack) Baumann is a corporate attorney with more than 35 years of experience in mergers and acquisitions, private equity, complex corporate transactional work, public and private securities offerings, joint ventures, investment advisory registration, and strategic business development initiatives.
His experience includes work at Skadden, Arps, Slate, Meagher & Flom L.L.P. and Cogent Law, as well as serving as Chief Legal Officer of Public Storage and Syncor International Corporation, in addition to numerous other public and private companies.
While at Public Storage, Jack orchestrated Public Storage’s $5 billion hostile acquisition of rival self-storage operator Shurgard Storage Centers, Inc., which was the first hostile and first all-stock acquisition of a Real Estate Investment Trust.
Jack’s practice today continues to focus on sophisticated strategic transactions, corporate structuring, securities matters, and complex business initiatives for clients operating across multiple industries and stages of growth.
Senior transactional leadership for complex deals, strategic growth, and high-value corporate decisions
Decades of M&A and Transaction Experience
Jack brings more than 35 years of experience handling mergers and acquisitions, private equity matters, securities offerings, joint ventures, and other sophisticated corporate transactions.
Executive-Level Business Judgment
Having served as Chief Legal Officer for major public companies, Jack provides practical legal advice shaped by real operational leadership, board-level decision-making, and strategic business execution.
Proven Record on High-Stakes Deals
His experience includes major market-defining transactions, including Public Storage’s $5 billion hostile acquisition of Shurgard, along with ongoing leadership on significant strategic acquisitions, reorganizations, and securities matters.
Representative areas of legal and strategic support
- Mergers and acquisitions strategy and execution
- Private equity transactions and structuring
- Public and private securities offerings
- Joint ventures and complex strategic transactions
- Corporate reorganizations and divestitures
- Investment advisory registration matters
- Strategic business development and growth initiatives
- High-value corporate transactions across regulated and emerging industries
Work With Jack
Strategic legal counsel for mergers and acquisitions, private equity, securities offerings, joint ventures, reorganizations, and complex business transactions requiring senior-level judgment and execution.
