
Teisha C. Johnson
Biography
Teisha Johnson is a partner in Baker McKenzie’s Antitrust Practice in Washington, DC, where she serves as a trusted advisor to leading multinational companies navigating their most complex antitrust and e-discovery challenges. She is widely recognized for her strategic counsel in high-stakes matters involving merger control, government investigations, consumer protection, and global compliance.
Teisha also serves as the North American Co-Chair of the Firm’s global Industrials, Manufacturing & Transportation (IMT) group, where she helps shape cross-border strategy for clients operating in highly regulated and rapidly evolving sectors. Her leadership in this role reflects her ability to synthesize legal, commercial, and policy considerations across jurisdictions.
With a reputation for delivering practical, business-oriented solutions, Teisha draws on her prior experience as in-house antitrust counsel to bridge the gap between regulatory demands and commercial imperatives. Her work spans industries including technology, healthcare, energy, finance, chemicals, and transportation, and she is known for her forward-looking guidance on emerging enforcement trends, including scrutiny of algorithms and artificial intelligence.
Practice Focus
Teisha has deep experience in both US and international antitrust law, and regularly leads global teams through complex merger reviews, multi-jurisdictional investigations, and cross-border discovery. She represents clients before the Federal Trade Commission, the Antitrust Division of the US Department of Justice, and state and foreign competition authorities, managing investigations that span continents and industries.
Her practice includes advising on consumer protection matters, including allegations of unfair or deceptive practices, and counseling clients on compliance strategies that align with evolving enforcement priorities. Teisha is particularly adept at navigating the intersection of antitrust and technology, including issues related to algorithmic pricing, AI deployment, and digital platform competition.
Her ability to coordinate across jurisdictions and disciplines makes her a go-to advisor for clients facing simultaneous regulatory scrutiny in multiple markets. Whether guiding a merger through clearance or responding to a global investigation, Teisha combines technical excellence with a pragmatic, solutions-driven approach.
Representative Legal Matters
- Advised Owens Corning on its approximately USD 755 million global divestiture of its glass reinforcement business to Praana Group.
- Advised ALDI in its acquisition of Southeastern Grocers, including the Winn-Dixie and Harveys Supermarket brands.
- Advised Sika AG on its approximately USD 6 billion acquisition of MBCC Group.
- Advised The Freeman Company on the sale of its subsidiary Encore Event Technologies to Blackstone.
- Advised Zen-Noh Grain Corporation on its acquisition of a portfolio of grain origination elevators from Bunge North America, Inc.
- Advised a consumer products company in products liability mass tort litigation and related state court actions.
- Advised a provider of data security software in a FTC data security investigation.
- Advised executive of global advertising firm under investigation by DOJ.
- Advised a US-based automotive parts supplier in joint venture.
- Advised the world's largest waste services company in multiple transactions, including divestiture of its industrial cleaning division.
- Advised a Fortune 200 consumer products company in antitrust aspects of multiple transactions.
- Advised a healthcare company in connection with its USD 2 billion acquisition of a competitor.
- Advised a healthcare provider in its defense against federal and state authorities challenging the legality of a proposed combination with another health care provider, persuading the FTC to issue a rare stay of that proceeding pending resolution of the appeal.
- Advised a global technology solutions provider in connection with its sale to a competitor.
- Advised a data security company in an investigation by the FTC alleging deceptive or unfair practices related to consumer privacy and data security under the FTC Act.
- Advised a global retailer in connection with its largest acquisition of another retailer.
Professional Honors
- Who's Who Legal, Competition Future Leader, 2022 - 2025
- Women in Business Law, Shortlist Antitrust Lawyer of the Year, 2022
- LCLD Fellow, 2021
Professional Associations and Memberships
- Women in eDiscovery
- Maryland State Bar Association
- American Bar Association - Antitrust Law, AI Task Force
- National Bar Association, Antitrust Law
Admissions
- U.S. District Court, District of Columbia~United States
- District of Columbia~United States
- U.S. District Court, District of Maryland~United States
- Maryland~United States
Education
- Georgetown University Law Center (J.D.)
- Duke University (B.A.)
Languages
- English