Scott T. Nonaka

Michael O’Bryan is a partner in the firm’s Corporate Department. His practice focuses on U.S. and international mergers, acquisitions, divestitures, and other strategic transactions, including “going private” and other related party transactions. He has been involved in more than 350 M&A transactions, advising companies, boards, and special committees, as well as investment banks, in both negotiated and contested transactions. Mr. O’Bryan has worked extensive...

In her representation of Silicon Valley’s high earners or their spouses, Jennifer Crum draws upon nearly 20 years of experience untangling complex assets acquired in the unique tech economy.Jennifer combines her mastery of high-asset marital dissolutions with compassion for the emotional and personal transition her clients are experiencing. She is among an elite group of California attorneys recognized as a Certified Family Law Specialist. Jennifer is highly experienced in divorces invo...

John Bartko is a Founder and a Principal of the firm. He represents both plaintiffs and defendants in complex civil, criminal and regulatory matters. He has represented many executives ensnared in complex regulatory investigations and has been involved in significant international discovery and complex investigations requiring foreign court appearances, including conducting examinations in Switzerland and Japan through pioneering requests for civil judicial assistance. He has traveled to Euro...

Andje M. Medina is a Partner and Trial Attorney at Altair Law in San Francisco, California. Ms. Medina devotes her practice to personal injury law and serves clients throughout northern California. She has experience with cases involving automobile accidents, brain injury, construction accidents, industrial accidents, professional negligence, public entity liability and wrongful death. Ms. Medina was a member of the honors program and earned a bachelor’s degree in political science from...

Melissa S. Hung is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Melissa S. practices law in San Francisco, California Best Lawyers has recognized Melissa S. Hung since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Melissa S. Hung is held by other lawyers.

Ethan Dettmer is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Ethan practices law in San Francisco, California Best Lawyers has recognized Ethan Dettmer since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ethan Dettmer is held by other lawyers.

Judy Keyes is a labor and employment lawyer who partners with employer-clients to navigate the complex system of laws and regulations that govern the California workplace. She is recognized for her "out-of-the-box" thinking and ability to solve complex human resources and labor relations problems in effective and efficient ways. She counsels clients on how to avoid and respond to discrimination, harassment and retaliation claims; comply with wage and hour laws (e.g., exempt vs. nonexempt, ind...

Shawn M. Christianson focuses her practice on insolvency, receiverships, and complex litigation with an emphasis on technology related issues. She represents financial institutions, secured and unsecured creditors, technology companies, receivers, and bankruptcy trustees. Her practice spans the state, federal and bankruptcy courts, as well as out of court proceedings and mediation. She argued, and prevailed at every level from the trial court through the Ninth Circuit, a seminal case on the t...

Larisa A. Meisenheimer is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Larisa A. practices law in San Francisco, California Best Lawyers has recognized Larisa A. Meisenheimer since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Larisa A. Meisenheimer is held by other lawyers.

Gavin Grover'’s practice is focused on the representation of growth companies in a wide variety of transactional matters. He serves as primary outside counsel to a large number of both private and public emerging and established growth companies, and counsels companies from formation through the initial public offering stage and beyond to ultimate sale or merger. He has completed more than 200 merger and acquisition transactions, including tender offers, auctions, special committee repr...