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740

Practice:

  • Mergers & Acquisitions
  • Capital Markets
  • Latin America
  • Life Sciences & HealthTech

David M. Ruff Partner

New York

David advises private equity funds, their portfolio companies and a broad range of public and private technology, energy and life sciences companies in domestic and cross-border M&A, minority and majority investments, joint ventures and other complex transactions.
740

Practice:

  • Mergers & Acquisitions
  • Capital Markets
  • Latin America
  • Life Sciences & HealthTech

David M. Ruff Partner

New York

David advises private equity funds, their portfolio companies and a broad range of public and private technology, energy and life sciences companies in domestic and cross-border M&A, minority and majority investments, joint ventures and other complex transactions.

David Halperin Senior Advisor

Before attending law school, David served as an officer in the U.S. Navy from 1966-1970, rising to the rank of Lieutenant Commander (U.S.N.R.) and serving from 1969-70 as a Special Assistant to Admiral E.R. Zumwalt, Commander of Naval Forces, Vietnam and later Chief of Naval Operations. From 1970-1971, he served as Personal Assistant to Dr. Henry Kissinger, Assistant to the President for National Security Affairs. After law school, David joined Davis Polk & Wardell in New York from 1974-1976 before moving to the Hong Kong office of Coudert Brothers in 1976. He became a partner of Coudert Brothers in 1983 and joined the Hong Kong office of Orrick in 2005. 

David Halperin Senior Advisor

Before attending law school, David served as an officer in the U.S. Navy from 1966-1970, rising to the rank of Lieutenant Commander (U.S.N.R.) and serving from 1969-70 as a Special Assistant to Admiral E.R. Zumwalt, Commander of Naval Forces, Vietnam and later Chief of Naval Operations. From 1970-1971, he served as Personal Assistant to Dr. Henry Kissinger, Assistant to the President for National Security Affairs. After law school, David joined Davis Polk & Wardell in New York from 1974-1976 before moving to the Hong Kong office of Coudert Brothers in 1976. He became a partner of Coudert Brothers in 1983 and joined the Hong Kong office of Orrick in 2005. 
337121

Practice:

  • Finance Sector
  • Public Finance
  • Banking & Finance
  • General Obligation Bonds
  • Revenue Bond Financing
  • Swaps and Other Hedges

Marcus Deitz Partner

Houston

Marcus’ experience includes the representation of school districts, municipalities, counties, junior colleges, universities, special authorities and other political subdivisions in a variety of roles, including bond counsel, disclosure counsel and issuer’s counsel. In addition, he regularly represents underwriters and purchasers of both public and privately placed debt, regularly serving as underwriters’ counsel and bank counsel.

Complementary to his core practice, Marcus is also able to provide his clients guidance on derivative transactions and liquidity facilities, election law matters, and municipal and school law issues.

Before joining Orrick, Marcus clerked for the Colorado Court of Appeals and subsequently practiced as an associate and then a partner with several international law firms.

337121

Practice:

  • Finance Sector
  • Public Finance
  • Banking & Finance
  • General Obligation Bonds
  • Revenue Bond Financing
  • Swaps and Other Hedges

Marcus Deitz Partner

Houston

Marcus’ experience includes the representation of school districts, municipalities, counties, junior colleges, universities, special authorities and other political subdivisions in a variety of roles, including bond counsel, disclosure counsel and issuer’s counsel. In addition, he regularly represents underwriters and purchasers of both public and privately placed debt, regularly serving as underwriters’ counsel and bank counsel.

Complementary to his core practice, Marcus is also able to provide his clients guidance on derivative transactions and liquidity facilities, election law matters, and municipal and school law issues.

Before joining Orrick, Marcus clerked for the Colorado Court of Appeals and subsequently practiced as an associate and then a partner with several international law firms.

431190

Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Fintech

Jeffrey Hydrick Partner

Washington, D.C.

He has significant experience building strategic alliances between emerging and traditional payments companies, particularly in the mobile payments area, and he frequently advises clients on payment network issues and regulatory issues related to payments.

Prior to joining Orrick, Jeff was a partner at Buckley LLP. He also was counsel at Sidley Austin LLP, where he handled corporate and transactional matters.

431190

Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Fintech

Jeffrey Hydrick Partner

Washington, D.C.

He has significant experience building strategic alliances between emerging and traditional payments companies, particularly in the mobile payments area, and he frequently advises clients on payment network issues and regulatory issues related to payments.

Prior to joining Orrick, Jeff was a partner at Buckley LLP. He also was counsel at Sidley Austin LLP, where he handled corporate and transactional matters.

Practice:

  • Technology & Innovation Sector
  • Complex Litigation & Dispute Resolution
  • Intellectual Property
  • Life Sciences & HealthTech

Diana Szego Fassbender Partner

Washington, D.C.

Diana’s experience in managing intricate, high-stakes litigation is evident in her innovative and cost-effective case strategies that consistently lead to favorable resolutions.

Diana's clients rely on her sophisticated, thoughtful approach to ensure solutions align with their overall business goals. Whether it’s through inception, trial, or appeal, Diana's involvement in all phases of litigation guarantees a seamless and effective process. When a business dispute requires aggressive action, Diana is equally adept at representing plaintiffs, showcasing her versatility and determination to achieve fair outcomes for her clients.

Though her experience spans a range of high-stakes commercial disputes, class action and product liability litigation are cornerstones of her practice. In addition to her skill in product liability, Diana has over a decade of experience litigating a variety of intellectual property matters. Her portfolio includes complex multi-defendant, multi-patent district court infringement actions, fast-paced Section 337 Investigations in the International Trade Commission, and high-stakes copyright and trademark cases.

Beyond her litigation success, Diana is dedicated to fostering talent and diversity within the legal community. She has served as a deputy to Orrick's Women's Initiative and played a key role in Orrick's recruiting efforts. Diana previously co-chaired the Associates Committee of Orrick's Washington, D.C., office, earning the Mentor of the Year award in 2011 for her outstanding contributions.

Since joining Orrick's New York office in 2007, Diana has been actively involved in community service. Before Orrick, Diana practiced law in Miami, where she was involved in the local legal community, serving on the Board of Directors of the Dade County Bar Association and participating in the Dade County eMentor program and the Women's Fund of Miami-Dade.

Practice:

  • Technology & Innovation Sector
  • Complex Litigation & Dispute Resolution
  • Intellectual Property
  • Life Sciences & HealthTech

Diana Szego Fassbender Partner

Washington, D.C.

Diana’s experience in managing intricate, high-stakes litigation is evident in her innovative and cost-effective case strategies that consistently lead to favorable resolutions.

Diana's clients rely on her sophisticated, thoughtful approach to ensure solutions align with their overall business goals. Whether it’s through inception, trial, or appeal, Diana's involvement in all phases of litigation guarantees a seamless and effective process. When a business dispute requires aggressive action, Diana is equally adept at representing plaintiffs, showcasing her versatility and determination to achieve fair outcomes for her clients.

Though her experience spans a range of high-stakes commercial disputes, class action and product liability litigation are cornerstones of her practice. In addition to her skill in product liability, Diana has over a decade of experience litigating a variety of intellectual property matters. Her portfolio includes complex multi-defendant, multi-patent district court infringement actions, fast-paced Section 337 Investigations in the International Trade Commission, and high-stakes copyright and trademark cases.

Beyond her litigation success, Diana is dedicated to fostering talent and diversity within the legal community. She has served as a deputy to Orrick's Women's Initiative and played a key role in Orrick's recruiting efforts. Diana previously co-chaired the Associates Committee of Orrick's Washington, D.C., office, earning the Mentor of the Year award in 2011 for her outstanding contributions.

Since joining Orrick's New York office in 2007, Diana has been actively involved in community service. Before Orrick, Diana practiced law in Miami, where she was involved in the local legal community, serving on the Board of Directors of the Dade County Bar Association and participating in the Dade County eMentor program and the Women's Fund of Miami-Dade.

Practice:

  • Technology & Innovation Sector
  • Technology Companies Group
  • Mergers & Acquisitions
  • Fintech

Josh Pollick Partner

Santa Monica

Josh represents high-growth technology companies and venture capital firms in many areas, including corporate and securities law, corporate formations, venture capital financings, mergers and acquisitions, public offerings, secondary offerings and SPAC transactions.

Josh was recognized as a Fintech Rising Star by Law360 for his work representing innovative companies such as Accrue, Crexi, Dave, Deel, Dub, Get Covered, Trullion and Stripe. He has been nationally recognized by Chambers and Partners USA and Legal500 for his work representing startups and venture capital funds.

Josh’s company-side representations also include high-growth AI and SaaS companies, such as Speak and Supabase, energy tech companies such as Radiant Nuclear and Zeno Power, and healthtech companies such as Grow Therapy, Pearl and Saferide Health.  

In addition to his company-side representations, Josh has represented leading venture capital firms and other strategic investors, including Bonfire, Coatue, Darsana Capital, D1 Capital, Ground Up Ventures, Pathbreaker Ventures, Upfront Ventures and Wonder Ventures.

Josh has significant buy-side and sell-side M&A experience, including representing Deel in its acquisitions of CapBase, Legalpad, Hofy, Payspace, Roots, Zavvy and Zeitgold.

Practice:

  • Technology & Innovation Sector
  • Technology Companies Group
  • Mergers & Acquisitions
  • Fintech

Josh Pollick Partner

Santa Monica

Josh represents high-growth technology companies and venture capital firms in many areas, including corporate and securities law, corporate formations, venture capital financings, mergers and acquisitions, public offerings, secondary offerings and SPAC transactions.

Josh was recognized as a Fintech Rising Star by Law360 for his work representing innovative companies such as Accrue, Crexi, Dave, Deel, Dub, Get Covered, Trullion and Stripe. He has been nationally recognized by Chambers and Partners USA and Legal500 for his work representing startups and venture capital funds.

Josh’s company-side representations also include high-growth AI and SaaS companies, such as Speak and Supabase, energy tech companies such as Radiant Nuclear and Zeno Power, and healthtech companies such as Grow Therapy, Pearl and Saferide Health.  

In addition to his company-side representations, Josh has represented leading venture capital firms and other strategic investors, including Bonfire, Coatue, Darsana Capital, D1 Capital, Ground Up Ventures, Pathbreaker Ventures, Upfront Ventures and Wonder Ventures.

Josh has significant buy-side and sell-side M&A experience, including representing Deel in its acquisitions of CapBase, Legalpad, Hofy, Payspace, Roots, Zavvy and Zeitgold.