Orrick, Herrington & Sutcliffe‘s private equity team advises various private equity sponsors and their portfolio companies across the technology, life sciences, energy, and infrastructure industries. The team utilises its global network to successfully advise on cross-border matters. Practice head David Ruff is based in New York and advises a broad range of public equity funds and public and private technology, energy, and life sciences companies. Washington DC-based Tony Chan represents private equity and strategic clients in the life sciences, healthcare, investment management, and technology sectors, while Ken Wiggs, who works out of Miami, advises public and private companies, private equity funds, family offices, and other private investment funds on complex corporate transactions. Danny Lopez left the firm in March 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Ken Wiggins gets the deal done.'
- 'The team is highly knowledgeable, working with growth-stage investment firms focused on the energy transition. We value this specialization highly.'
- 'Spencer Cohen and George Pothoulakis are excellent lawyers; efficient and well-versed in all aspects of the business.'
- 'The team is a rare combination of talent, experience, thoughtfulness, professionalism as well as resourcefulness, approachability, resolve, and finally and arguably most importantly, a personal joy to work with.'
- 'Tony Chan is an exceptional professional and human being. His domain expertise is second to none, broad and deep, he is pragmatic and thoughtful, and always has provided valued counsel.'
Key clients
- K5 Global
- HPS/Southern Graphics
- Turn/River Capital
- Aptean
- Banneker Partners
- Trivest Partners
- True Wind Capital and Aldaron Partners
- BVP Forge
- Warburg Pincus/NetDocuments
- QIC and Renewa
- Carlyle & SK Capital
- Warburg Pincus/ModMed
- Stripes
- Centerline Logistics
- Kain Capital
Work highlights
Advised K5 Global in its US$2.25 billion acquisition of HistoSonics.
Advised Southern Graphics, a portfolio company of HPS Investment Partners, on its combination with SGK Brand Solutions.
Advised Turn/River Capital and its portfolio company Redwood Software in its acquisition by Vista Equity Partners and Warburg Pincus.
Practice head
David Ruff
Other key lawyers
Tony Chan; Ken Wiggs; Spencer Cohen; George Pothoulakis