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PHMSA Attorneys

PHMSA's Office of Chief Counsel has attorneys in four divisions:

General Law

Hazardous Materials Safety Law

Pipeline Safety Law

Regulatory Affairs


Personnel Overview

Chief Counsel:

  • Vacant

Deputy Chief Counsel:

  • Vasiliki Tsaganos, Designated Agency Ethics Official

Assistant Chief Counsel, General Law Division:

  • Brandon Hollingshead

Assistant Chief Counsel, Hazardous Materials Safety Law Division:

  • Adam Horsley

Assistant Chief Counsel, Pipeline Safety Law Division:

  • Benjamin Fred

Assistant Chief Counsel, Regulatory Affairs:

  • Robert Ross

Adjudications Counsel, Hazardous Materials Safety:

  • Vincent Lopez

Presiding Officials, Pipeline Safety:

  • Larry White

FOIA Officer:

  • Oladele Awoniyi

Support Team

  • Administrative Officer - Daphene Floyd
  • Legal Assistant - Ilana Cephas
  • Administrative Assistants - Crissy Horton (CTR), Heather Taylor (CTR)

General Law Division

Assistant Chief Counsel, General Law Division:

  • Brandon Hollingshead

Attorney Advisors

  • Karin Christian
  • Amal Deria
  • Dolores Francis
  • Patrick Halpin
  • Eugenia Jackson
  • Paul Juang-Korol
  • Gary Smith

FOIA Officer

  • Oladele Awoniyi

Government Information Specialist

  • Elizabeth Webb

Paralegal Specialist

  • Marilyn Umeaku (CTR)

Hazardous Materials Safety Law Division

Assistant Chief Counsel:

  • Adam Horsley

Adjudications Counsel:

  • Vincent Lopez

Attorney Advisors

  • Brittany Besser
  • Harlan Dalzell
  • Aris Generette
  • Safiya Hamit
  • Laura Ulmer

Paralegal Specialist

  • Geni Gonzalez (CTR)

Pipeline Safety Law Division

Assistant Chief Counsel:

  • Benjamin Fred

Deputy Assistant Chief Counsel:

  • Lauren Clegg

Attorney Advisors

  • Ian Curry
  • Joseph Hainline
  • Kathleen Maitland
  • Ryan McClure
  • Joseph St. Peter

Regulatory Affairs Division

Assistant Chief Counsel

  • Robert Ross

Attorney Advisors

  • Nathan Cole
  • Jeremy Henowitz
  • Melissa Mitchell
  • Amelia Samaras
  • Conor Walsh