Donna Petrone

Lead Advisor


Donna Petrone’s entire career has been in the chemical and petroleum industries, where she has held various HSE and legal roles, including multiple technical site assignments supporting chemical and refining operations. She has worked with Pilko and Associates as an independent consultant supporting M&A projects for 2+ years.

Donna’s early career provided a solid foundation in plant operations and HSE. Donna held roles in industrial hygiene, safety supervision and environmental management at a refinery and a chemical plant. In a corporate role, Donna conducted international assignments, supporting offshore, mid-stream and retail fuels marketing.

After completing her law degree, Donna served as managing counsel on complex environmental and chemical injury lawsuits for ExxonMobil. Following this role, she became a chemical company business lawyer for transactional work that included joint ventures, mergers, acquisitions, and divestures. Donna also held positions supporting chemical and refinery operations on global issues in health and safety, process safety, emergency response, remediation, and community outreach. Later, she supported the corporation on sustainability and the evolving issues of corporate citizenship, environmental disclosures, emissions reduction targets, metrics, annual reporting, human rights supply chain issues, including conflict minerals, forced labor, sustainability platforms, ESG issues, UN SDGs, and circular economy.

Donna has also handled as legal counsel the formation and support of several joint ventures, mergers, acquisitions, and divestitures. She has collaborated in the sell-side deal preparation, disclosures, and drafting agreements, as well as in the buy-side discovery of proposed acquisitions, to crystallize and bring prospective to material issues.

Donna’s unique combination of legal, operational, and business experiences enables her to effectively work on global issues, across multiple disciplines and management levels. She was recognized as a trusted advisor to corporate, operational, business and HSE Senior Leadership for her ability to analysis and deliver risk management strategies and to support pragmatic solutions on complex and challenging global and U.S. issues.

Donna holds a Master’s degree in environmental health and a Law (J.D.) degree, professional designations of Certified Industrial Hygienist in the Comprehensive Practice of Industrial Hygiene (Inactive) and is licensed to practice law in Texas and Louisiana.

Donna is married, has adult sons, and resides in Houston, Texas.