10 Republic Services legal leaders
Chief legal officer, deputy general counsel and associate general counsel are among the roles held by these ten Republic Services legal leaders, some of whom have since moved on. A reader can learn how legal leaders work at Republic Services from people who have held the role.
Professionals to explore
Adrienne Wilhoit
LinkedInExperience: SVP, Deputy General Counsel & Assistant Corporate Secretary · Republic Services
Adrienne Wilhoit has been SVP, Deputy General Counsel & Assistant Corporate Secretary at Republic Services since January 2019, based in Paradise Valley, Arizona. Adrienne Wilhoit also held the role of Vice President, Associate General Counsel, Corporate Services at Republic Services (2017 to 2019), was a Partner at Ballard Spahr LLP from 2006 to 2017 and was an Attorney at Fennemore.
Catharine Ellingsen
LinkedInExperience: EVP, Chief Legal Officer, Chief Ethics & Compliance Officer, and Corporate Secretary · Republic Services
Catharine Ellingsen has been EVP, Chief Legal Officer, Chief Ethics & Compliance Officer, and Corporate Secretary at Republic Services since June 2016, based in Phoenix. Catharine Ellingsen also held the roles of Senior Vice President, Human Resources at Republic Services (2011 to 2016), Vice President, Deputy General Counsel at Republic Services, Inc. (2008 to 2011) and Vice President, Deputy General Counsel at Allied Waste Industries, Inc.
Diana Buongiorno
LinkedInExperience: Director, Legal Environmental Regulatory & Litigation · Republic Services
Diana Buongiorno has been Director, Legal Environmental Regulatory & Litigation at Republic Services since July 2024, based in Phoenix. Diana Buongiorno also held the roles of Member (2018 to 2024), Counsel (2011 to 2017) and Associate (1999 to 2010) at Chiesa Shahinian & Giantomasi PC, and the About section names the current title at Republic Services.
Holly Doyle
LinkedInExperience: Director, Legal- Operations Services · Republic Services
Holly Doyle was Director, Legal- Operations Services at Republic Services from June 2022 to June 2025, based in Phoenix. Holly Doyle also held the role of Senior Corporate Counsel at Republic Services, Inc. (2017 to 2022), was Assistant General Counsel at U-Haul from 2008 to 2017 and was an Associate at Snell & Wilmer, LLP.
Jennifer Thomson
LinkedInExperience: Vice President, Associate General Counsel (Employment Services, Ethics, and Compliance) · Republic Services
Jennifer Thomson was Vice President, Associate General Counsel (Employment Services, Ethics, and Compliance) at Republic Services from October 2019 to June 2023, and has been Vice President, Security (Security, Business Continuity, Investigations) there since January 2025. Jennifer Thomson also held the Republic Services roles of Vice President, HR Field Operations and Director, Employment Compliance.
John Nickerson
LinkedInExperience: Vice President, Operations Services, Associate General Counsel · Republic Services
John Nickerson has been Vice President, Operations Services, Associate General Counsel at Republic Services since January 2018, based in the Phoenix area. John Nickerson also held the Republic Services roles of Director Legal (2011 to 2017) and Senior Corporate Counsel (2006 to 2011), and was an Associate at Steptoe LLP and a Law Clerk at the Arizona Supreme Court.
Lauren McKeon
LinkedInExperience: Vice President, Associate General Counsel · Republic Services
Lauren McKeon has been Vice President, Associate General Counsel at Republic Services since April 2026, and the profile headline places the role in Corporate Services. Lauren McKeon also held the Republic Services roles of Director, Legal - Corporate Services (2024 to 2026), Director, Ethics & Compliance (2020 to 2023), Senior Corporate Counsel (2019 to 2020) and Corporate Counsel (2018 to 2019).
Myndi Kort
LinkedInExperience: Vice President & Associate General Counsel · Republic Services
Myndi Kort was Vice President & Associate General Counsel at Republic Services from January 2013 to October 2019. Myndi Kort also held the Republic Services roles of Senior Director & Deputy General Counsel (2011 to 2012) and Corporate Counsel (2005 to 2011), and the About section lists employment and labor, litigation, and ethics and compliance among the legal areas of the work.
Tracy Carlson
LinkedInExperience: Director, Legal - Commercial Services · Republic Services
Tracy Carlson has been Director, Legal - Commercial Services at Republic Services since July 2017, based in the Phoenix area, and the profile headline lists commercial transactions, risk and business advising. Tracy Carlson also held the Republic Services roles of Senior Corporate Counsel (2015 to 2017) and Corporate Counsel (2013 to 2015), and was Senior Staff Counsel - Employment Litigation Commercial Transactions (Contracts) at GoDaddy from 2007 to 2013.
Victoria Stazio
LinkedInExperience: Director, Legal Operations · Republic Services
Victoria Stazio has been Director, Legal Operations at Republic Services since June 2025, and the profile headline reads Director, Legal - Operations Services at Republic Services. Victoria Stazio also held the Republic Services roles of Director, Ethics and Compliance (2024 to 2025), Senior Corporate Counsel, Corporate Services (2022 to 2024) and Senior Corporate Counsel, Operations Services (2018 to 2022), and was a Business Litigation and Healthcare Attorney at Fennemore.
Choose the right perspective
Pick the person whose legal title fits the matter you are weighing, and check whether their role is current and when it began. Consider scope as well, because a top legal officer and a director over one practice area see different parts of the work.
Questions to take into the conversation
- 01What took most of your time in your legal role, and what did you change first?
- 02How did you decide which legal and regulatory questions needed your direct attention and which your team handled?
- 03What did you carry over from earlier roles that changed how you advise the business?
Reaching Republic Services legal leaders
How can I contact one of these Republic Services legal leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Republic Services, based on profile data retrieved on October 18, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Republic Services legal leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Republic Services legal leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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