10 Occidental Petroleum legal leaders
Chief legal officer, general counsel, deputy general counsel, associate general counsel and assistant general counsel are among the roles held by these ten Occidental Petroleum legal leaders, some of whom have since moved on. A reader can learn how legal leaders work at Occidental Petroleum from people who have held the role.
Professionals to explore
Andrew Ray
LinkedInExperience: Associate General Counsel · Oxy
Andrew Ray has been Associate General Counsel at Oxy since January 2023, based in Houston, and the profile describes executing commercial contract lifecycles for oil, gas and energy companies. Andrew Ray was Managing Counsel at Motiva Enterprises LLC (2022), Associate General Counsel at Energy Transfer LP (2011–2022) and Senior Counsel and Vice President at Castleton Commodities International (2008–2011).
Brad Pollack
LinkedInExperience: Senior Vice President and General Counsel · Oxy
Brad Pollack has been Senior Vice President and General Counsel at Oxy since August 2026, based in Houston. Brad Pollack also lists Vice President and Deputy General Counsel, Operations and Commercial Development (2023–2026), Associate General Counsel and VP Legal-Low Carbon Ventures (2021–2023) and Assistant General Counsel, M&A and Strategic Transactions (2019–2021) roles at Oxy.
Elizabeth Gooch
LinkedInExperience: Assistant General Counsel · Oxy
Elizabeth Gooch has been Assistant General Counsel at Oxy since April 2021, based in the Houston area. Elizabeth Gooch also lists Managing Counsel (2019–2021), Senior Counsel (2018–2019) and Employee Benefits Counsel (2015–2018) roles at Oxy, and was an Attorney at Baker Botts (2005–2015).
Melissa Hunt
LinkedInExperience: Deputy General Counsel · Oxy
Melissa Hunt has been Deputy General Counsel at Oxy since September 2019, based in Dallas. Melissa Hunt was Associate General Counsel at Occidental Petroleum Corporation (2014–2019), Vice President & General Counsel at Oxy Inc. (2007–2014) and Senior Litigation Counsel at Oxy Inc. (1999–2007), and a Litigation Associate at Schell Beane & Vaughan (1996–1999).
Mike Haysley
LinkedInExperience: Director of Legal Operations · Oxy
Mike Haysley has been Director of Legal Operations at Oxy since August 2019, based in Houston, and the profile describes the role as Director of Legal Operations for Occidental Petroleum. Mike Haysley was Managing Director, Law Department Management at Consilio LLC (2016–2019), Director, Legal Management Consulting at Duff & Phelps (2015–2016) and Director, Legal Operations at WM (2004–2013).
Mohsin Al Rashdi
LinkedInExperience: Assistant General Counsel MENA · Oxy
Mohsin Al Rashdi has been Assistant General Counsel MENA at Oxy since April 2026, based in Oman. Mohsin Al Rashdi was VP Legal at Occidental of Oman in Muscat (2015–2026), Legal Manager at Oxy (2014–2015) and Counsel at Occidental Oil and Gas Corp (2008–2014).
Susan Lund
LinkedInExperience: Director Legal / Assistant General Counsel / Managing Counsel / Senior Counsel · Oxy
Susan Lund holds the role Director Legal / Assistant General Counsel / Managing Counsel / Senior Counsel at Oxy, a row the profile dates from 2000, and is based in the Dallas-Fort Worth area, with a headline naming litigation, labor and employment. Susan Lund was Senior Attorney, Corporate Litigation (1998–2000) and Human Resources Attorney (1996–1998) at JCPenney.
Sylvia Kerrigan
LinkedInExperience: Senior Vice-President and Chief Legal Officer · Oxy
Sylvia Kerrigan has been Senior Vice-President and Chief Legal Officer at Oxy since October 2022, based in Houston, and the profile describes boardroom experience as a director and executive in the industrial, transportation and energy sectors. Sylvia Kerrigan is also a board member at Diversified Energy Company and HORNBECK OFFSHORE, and was Executive Director at the KBH Energy Center for Business, Law & Policy (2017–2022).
Tessa Cabello
LinkedInExperience: Assistant General Counsel · Oxy
Tessa Cabello has been Assistant General Counsel at Oxy since September 2025, based in Houston. Tessa Cabello also lists Managing Counsel (2022–2025) and Senior Counsel (2017–2022) roles at Oxy, and was an Energy Transactions Associate at Norton Rose Fulbright (2011–2017).
Thomas Janiszewski
LinkedInExperience: Former Assistant General Counsel · Oxy
Thomas Janiszewski was Assistant General Counsel at Oxy from February 2006 to July 2022, based in Houston, and also held Vice President, Regulatory and Land at Oxy (2015–2022). Thomas Janiszewski is now Vice President - Land, Regulatory, Government Relations and Corporate Affairs at Occidental Petroleum Corporation, and was Managing Counsel at Oxy (2004–2006).
Choose the right perspective
Match the person's practice area, such as commercial contracts, litigation, employee benefits or legal operations, or the business they support, such as the Middle East or land and regulatory work, to the decision you face. Weigh how long each person has held the role and how close their work sits to your question.
Questions to take into the conversation
- 01How did you organize legal support for the business or practice area you covered?
- 02What did you learn about balancing legal risk with commercial priorities in oil, gas and chemicals work?
- 03How did you decide which matters to handle in-house and which to send to outside counsel?
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