Annie Sipe guides private equity clients and strategic investors in complicated transactions, including mergers and acquisitions, leveraged buyouts, minority investments, and recapitalizations, as well as cross-border and carveout deals. She has deep experience serving clients in the healthcare, life sciences, technology and consumer industries.


  • Advent International and Warburg Pincus in their acquisition of Baxter International Inc.’s BioPharma Solutions (BPS) business, a provider of sterile contract manufacturing solutions, parenteral delivery systems and customized support services to the pharma and biotech industries.
  • Advent International in connection with its sale of Genoa Healthcare, the leading behavioral health specialty pharmacy company in the US.
  • Audax Private Equity in its acquisition of a controlling interest in Solve Industrial Motion Group, a leading provider of high-quality power transmission components and industrial-grade bearings.
  • Berkshire Partners and Warburg Pincus in their investment in Ensemble Health, a provider of technology-enabled revenue cycle management solutions for health systems, including hospitals and affiliated physician groups.
  • Berkshire Partners in its investment in AHEAD, a provider of enterprise cloud services.
  • Berkshire Partners in its recapitalization transaction with Fast Growing Trees, a leading direct-to-consumer e-commerce retailer of trees and plants.
  • Berkshire Partners in its acquisition of Comlinkdata, a leading data and analytics provider to the global telecom industry.
  • Centerbridge Partners and Caisse de dépôt et placement du Québec in their joint acquisition of Medical Solutions, a provider of staffing services to healthcare facilities.
  • Charlesbank Capital Partners in its investment in Aptean, a global provider of mission-critical, industry-specific enterprise resource planning and supply chain solutions.
  • Cove Hill Partners in its investment in Gamma Technologies, a provider of engineering simulation software.
  • Cove Hill Partners in its sale of LiveAuctioneers, an online live-auction source for fine and decorative art, antiques, jewelry and vintage collectibles.
  • Janssen Pharmaceuticals, a subsidiary of Johnson & Johnson, in its $1 billion divestiture of U.S. license rights to the NUCYNTA® franchise of pharmaceutical products and related assets to Depomed.
  • Summit Partners in its acquisition of Paradigm Outcomes, a leading provider of complex medical management services.
  • TPG Capital in its sale of Aptalis, a specialty pharmaceutical company.
  • TPG Real Estate, the real estate platform of TPG, in its purchase of a 75% stake in a $2.5 billion portfolio of high-yield commercial real estate loans from Deutsche Bank’s special situations group.
  • TSG Consumer Partners in its acquisition and sale of Sunshine Fitness Growth Holdings, an owner of Planet Fitness franchise groups.
  • TSG Consumer Partners in its investment in CorePower Yoga, a yoga fitness studio operator in the U.S.

Areas of Practice