Sandy Stash

Board Mentor
Criticaleye

A seasoned non-executive director and chair, Sandra (Sandy) Stash has over 40 years of international executive and non-executive experience. Her board experience includes publicly listed, private equity, privately held, and government-owned businesses in the UK, Europe, USA, Middle East, and Canada. Her executive career spans leadership positions in engineering and operations, commercial negotiations, mega capital projects, infrastructure, supply chain management, sustainability, and government and public affairs in the energy, manufacturing, and the mining sectors. As a non-executive director and through the oversight of several very public and controversial issues, Sandy is recognized for her unique capabilities in understanding the interface between business and external stakeholders. She has deep business and operations experience on six continents, including North and South America, Southeast Asia, the Middle East, Australia, Sub-Saharan Africa, and Europe.

Since 2020, she has been a Board Director at Trans Mountain Company (TMC), a Canadian Crown Corporation, chairing its Operations Committee and serving on the Nominations and Governance Committee. Starting in early 2025, Sandy joined the Board of ACWA Power, a Saudia Arabia-based infrastructure and power company as a member of its Board Risk and Safety Committee.  In mid-2026, Sandy became a Non-Executive Director (NED) for Balfour Beatty plc.

Sandy served as a  Non-Executive Director (NED), Senior Independent Director (SID), and Chair of the Safety and Sustainability Committee at FTSE 250-listed Diversified Energy Company plc. She also served on its Remuneration and Audit Committees. From 2020 to 2022, she chaired the Sustainability Committee at Lucid Energy until its sale to Targa Resources. In 2022, she joined the Board of Medallion Midstream, serving until its sale to ONEOK in 2024. She also served on AIM-listed Chaarat Gold’s board until it went private in 2024 and was a Board Member of FTSE 100-listed EVRAZ plc (2020–2022) and the Minneapolis Federal Reserve Bank (1996–2002). Sandy advises not-for-profit, public-benefit, and private firms. She was an Independent Advisor at EDF Energy Thermal Generation (2019–2023) and serves on the Board and Audit Committee of the privately held First Montana Bank. Additionally, she is a Governor at the Colorado School of Mines, Trustee for the African Gifted Foundation, and a Director at Regeneration. She is a US NACD Certified Director and Fellow of the Canadian Academy of Engineering.

A petroleum engineer, Sandy was among the first female drilling engineers in North America. She held senior leadership roles at ARCO/BP, TNK-BP in Russia, BP Alaska, Talisman Energy, and Tullow Oil, where she was EVP for Safety, Operations, and External Affairs until her retirement in 2020.