Jonathan P. Hersey, the former leader of CKR Law's Orange County office, is now partner at  K&L Gates. Still based in Orange County, Hersey joined K&L Gates' complex commercial litigation and disputes group. His practice covers matters including complex commercial, business and intellectual property disputes.

Also joining K&L Gates is Ali U. Nardali. He joins as a corporate partner in San Francisco after leaving Morrison & Foerster. Nardali handles matters related to executive compensation such as mergers and acquisitions, initial public offerings and other business transactions.

Perkins Coie expanded its San Francisco office with two hires this week—former Kirkland & Ellis litigator Sarah Piepmeier and former Vedder Price employment class action attorney Heather Sager. Both lawyers join as partner. Piepmeier joins the firm's intellectual property practice, where she worked as an associate earlier in her career. Sager focuses her practice on management-side labor and employment law.

JAMS announced that it added Thomas J. Stipanowich to its panel in its Century City resolution center. In this role, Stipanowich will act as an international arbitrator, mediator, special master and neutral evaluator in business, commercial, engineering and construction disputes. He currently leads the Straus Institute for Dispute Resolution at Pepperdine University School of Law.

Liberty Media Corp. chief legal officer Rich Baer is set to take on the role of CLO at San Francisco-based Airbnb Inc. starting in October. Airbnb announced the hire shortly after announcing that it plans to go public in 2020. Baer's previous in-house experience includes serving in leadership positions at UnitedHealth Group Inc. and Qwest Communications International Inc.

White-collar defense attorney Pamela Davis joined Winston & Strawn's San Francisco office as partner. She focuses her practice on matters related to the Foreign Corrupt Practices Act and global investigations. Before the move, Davis spent 13 years at Orrick, Herrington & Sutcliffe, most recently serving as partner.

San Francisco-based attorneys Dan Brown and John Finston are part of an eight-lawyer group leaving Drinker Biddle & Reath's insurance transactions and regulatory practice group for McDermott Will & Emery. They, along with the six other attorneys, join the firm as partners and will be part of a new insurance transactions and regulations practice at McDermott.

Olga Mack, an in-house technology lawyer, is leaving her position as vice president of strategy at blockchain company Quantstamp to become CEO and board chairperson at contract management platform Parley Pro. Mack has worked in-house at several companies and also practiced at Wilson Sonsini Goodrich & Rosati.