Directors & Management Directors & Management
Manuel Pablo Zuniga-Pflucker
Gregory Smith
Estuardo Alvarez-Calderon
Charles Fetzner
Gary Guidry
Ryan Ellson
Douglas Urch
Gavin Wilson
Mark McComiskey

MANAGEMENT

Manuel Pablo Zuniga-Pflucker

President, Chief Executive Officer and Director

  • Native Peruvian with >30 years of experience in petroleum engineering
  • Started career with Occidental in Bakersfield & Block 192 in Peru
  • Founder and former CEO of BPZ Energy
  • Helped shape policies promoting oil investments in Peru, including the current long-term test regulation

Gregory Smith

Executive Vice President & Chief Financial Officer

  • >20 years oil and gas experience, involved in over $3 billion in debt and equity transactions
  • Executive level finance and investor relations experience at Energy XXI and BPZ Energy

Estuardo Alvarez-Calderon

Vice President, Operations

  • >35 years of oil and gas experience with focus on exploration and new discoveries, and bringing those fields to initial production
  • Various senior roles across the Americas for Occidental
  • Former VP of Exploration and Production at BPZ Energy

Charles Fetzner

Vice President, Asset Development

  • 35 years of experience managing exploration and development projects spanning the USA, Peru, Colombia, Argentina, Chile, China and Africa
  • 19 years at Apache as New Ventures Exploration & Development Manager and Exploration Manager Worldwide Exploration

BOARD OF DIRECTORS

Gary Guidry

  • President & CEO of Gran Tierra with >35 years as a Professional Engineer with APEGA
  • Former President & CEO of Caracal Energy, Orion O&G, Tanganyika Oil
  • Senior operational roles at Occidental in Nigeria / West Africa, Yemen and Venezuela

Ryan Ellson

  • >15 years experience as a Chartered Accountant
  • CFO of Gran Tierra
  • Former Head of Finance at Glencore E&P Canada and VP Finance at Caracal Energy

Douglas Urch

  • Chartered Professional Accountant with >35 years experience in international oil & gas
  • Executive VP & CFO of Bankers Petroleum, former VP & CFO of Rally Energy

Gavin Wilson

  • Director of PetroTal & Investment Manager for Meridian
  • Former founder & manager of RAB Energy & RAB Octane listed investment funds

Mark McComiskey

  • Founding Partner of Vanwall Capital, LLC. and was a Managing Partner of Prostar Capital Ltd
  • Former Principal of Clayton, Dubilier & Rice, Inc. He was an associate at the law firm of Debevoise & Plimpton, LLP
  • Holds a J.D., magna cum laude, from Harvard Law School and an A.B. degree, magna cum laude, in Economics from Harvard College.

BOARD COMMITTEE APPOINTMENTS

Committee Members
Audit Committee

Ryan Ellson (Chairman)
Mark McComiskey
Douglas Urch

Reserves Committee

Gary Guidry (Chairman)
Gavin Wilson
Manuel Pablo Zuniga-Pflucker

Corporate Governance and Compensation Committee

Mark McComiskey (Chairman)
Ryan Ellson
Gavin Wilson

Health, Safety, Environment and Corporate Social Responsibility Committee

Douglas Urch (Chairman)
Gavin Wilson
Gary Guidry