
Shareholder Activism
Corporate Defense
M&A
Corporate Governance
Public Companies
Kai H.E. Liekefett is a partner at Sidley Austin in New York, co-chairing the firm's Shareholder Activism and Corporate Defense practice. With 25 years of experience in corporate law, Kai specializes in shareholder activism campaigns, proxy fights, short attacks, and hostile takeovers. Recognized as a pioneer in shareholder activism defense, he has defended over 500 activist campaigns and 150 proxy contests globally since 2020. Under his leadership, Sidley Austin has achieved top rankings in activism and corporate defense league tables. Kai holds an LL.M. from Columbia Law School, a Ph.D. from the University of Freiburg, and an MBA from the University of Münster.
Shareholder Activism Defense
M&A and Takeover Defense
Financial Services Defense
Technology and Telecommunications Defense
Retail and Consumer Products

- Denny's Corporation sold the stake/assets to TriArtisan, Treville, Yadav Enterprises as part of a take-private acquisition on not available. - Deal value was 620000000 (source: Extracted) Sector: Restaurants; Location: USA. - On the seller side, not available advised, led by Derek Zaba, Kai H.E. Liekefett, Scott R. Williams, Eric S. Goodwin, Amy Jang, Zachary Brusewitz.
Nov 04 2025
620M
Private Equity

Partner
2018 – Unknown

Partner
2017 – 2018
Associate
2006 – 2011


- QXO acted as the acquirer in this Acquisition transaction. - The acquisition was executed in the sector, strengthening the buyer’s strategic position. - The transaction was announced on 2025-03-20 00:00:00 with a reported value of 110000000000.
Mar 20 2025
11B
M&A
Sep 19

2 min
Legal Trainee
2000 – 2004