Sandy Stash, Board Mentor, Criticaleye

Sandy Stash

Board Mentor


Sandy is a Non-executive Director of FTSE 250 Diversified Energy plc, the US-based owner and operator of natural gas, natural gas liquids and oil wells, as well as midstream assets, and of AIM-listed Chaarat Gold plc.

In January 2020, Sandy joined the Board of Directors of Trans Mountain Company (TMC), a Canadian Crown Corporation currently building a pipeline from Alberta to the west of the country. In March 2020, she joined the Board of First Montana Bank, a community bank, and in October of 2020, she joined the Board of Lucid Energy, a diversified energy company providing midstream services to onshore US production companies.

She is also an Independent Advisor at EDF Energy Thermal Generation Limited Board, providing oversight of all EDF thermal generation in the UK and a NED at the Colorado School of Mines in the US, where she is a Distinguished Alumni Medalist. She is also recognised as a Certified Director by the National Association of Corporate Directors (NACD).

Sandy joined Tullow Oil in 2013 as Group VP for Safety, Sustainability and External Affairs, progressing to Executive Vice President for Safety, Operations and Engineering and External Affairs, and was responsible for nearly half of Tullow’s 1,200 people across the company’s global operations. In 2017, Sandy became Executive Vice President and is now an Advisor at Tullow Oil.

Sandy’s main focus at Tullow was driving the business toward operational excellence in both technical and non-technical leadership, building high-calibre functional teams by driving cross-functional collaboration, alignment and better decision-making through Operations and Engineering, Safety Sustainability, External Affairs and Supply Chain Management.

Sandy champions career path diversity, building colleagues’ breadth and depth of experience, so creating the next generation of technical and non-technical leaders. Before joining Tullow, she spent five years as Global Senior Vice President HSE & Security, Operations & Engineering Assurance, at Talisman Energy. She has also worked in senior roles at BP and TNK-BP in Moscow. Sandy is a Russian speaker.

Starting her career at ARCO in the USA as a senior engineer and drilling superintendent, Sandy then spent 10 years as Arco’s Vice President of Operations for the mining and manufacturing business.

Sandy is also a long-standing Director and Member of the Executive Committee of the International Women’s Forum in Washington DC and a former NED and Chair for the Montana Tech Foundation.

Bunzl plc AntWorks Workday Cognizant London Stock Exchange Royal London Group Robert Walters E.ON UK Jamieson Corporate Finance EY Hong Kong Mayborn Group Accenture Google Amazon UK Legal & General Investment Management Redwood Bank Lightsource bp LDC GlaxoSmithKline plc Eton Bridge Partners Drax Group plc Veolia Water Technologies Tullow Oil plc