Francisco Espinosa Reboa

David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.

Dennis Williams is a corporate partner in the New York office of Kirkland & Ellis LLP. Dennis’ focus is on healthcare entities and related companies. He is regularly engaged in structural, transactional, regulatory and enforcement matters on behalf of private equity sponsors and their portfolio companies. He advises clients on a broad range of healthcare-related issues including federal and multi-state regulatory matters, structuring, Stark, Anti-Kickback Statutes, False Claims Act,...

Adam H. Laughton guides health care providers and other parties through the complexities of health care transactions, including inevitable regulatory questions, licensing, payor enrollment and many other issues. Adam has handled transactions involving a wide variety of providers and facilities, including hospitals, ambulatory surgery centers, behavioral health providers and freestanding emergency rooms, as well as physician practices and other entrepreneurs in the health care space. These tra...

Nat’s practice is concentrated in the areas of estate planning, estate and trust administration, and planning for individuals and families with complex assets and/or unique planning objectives. Nat regularly assists clients develop and implement estate plans that address each family’s specific circumstances and objectives while providing for efficient administration and reducing or eliminating taxes. Nat also advises individuals and nonprofit organizations on all aspects of charit...

Laura M. Owen is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Laura M., who practices law in Oakland, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laura M. is held by other top lawyers in the same geographic and legal practice area.

Tenley Callaghan is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Tenley, who practices law in Concord, New Hampshire, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tenley is held by other top lawyers in the same geographic and legal practice area.

Matthew Panach is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Matthew, who practices law in Oklahoma City, Oklahoma, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew is held by other top lawyers in the same geographic and legal practice area.

William Davidson's practice focuses on the litigation/arbitration aspects of construction law. He represents primarily private owners, engineers, general contractors, subcontractors and suppliers on substantial construction projects, including power plants, chemical plants, gas processing plants, cryogenic plants, sports facilities, commercial properties, light rail, and the fabrication of production modules for the upstream oil and gas industry. His experience includes the prosecution and de...

Browne R. Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Browne R., who practices law in El Segundo, California, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Browne R. is held by other top lawyers in the same geographic and legal practice area.

Doug Oldham advises employers of all sizes on a broad range of fair employment and wage and hour policies and practices to avoid disputes with employees. When those disputes are inevitable, Doug represents employers in employment discrimination and wage and hour litigation in courts across the country. Since joining the firm more than a decade ago, Doug has accumulated significant labor and employment litigation experience. Doug is actively involved in briefing motions for summary judgment, m...