
Meet Our Leadership
Our experienced leadership team maximizes value while minimizing environmental impact. They enable us to deliver the most comprehensive set of environmental solutions to our customers and foster a culture where team members thrive.
Executive Leadership Team

Jon Vander Ark
PRESIDENT | CHIEF EXECUTIVE OFFICER
Jon Vander Ark is President and Chief Executive Officer of Republic Services, Inc. He is responsible for leading the Company’s strategy to generate profitable growth by partnering with customers to create a more sustainable world.
Jon Vander Ark
PRESIDENT | CHIEF EXECUTIVE OFFICER
Jon Vander Ark is President and Chief Executive Officer of Republic Services, Inc. He is responsible for leading the Company’s strategy to generate profitable growth by partnering with customers to create a more sustainable world.
ViewBrian Bales
EVP, Chief development officer
Brian Bales is EVP, Chief Development Officer. In this role, he is responsible for maximizing the Company’s external growth opportunities through business expansion in the United States and Canada, across recycling & waste, environmental solutions and sustainability innovations investments and acquisitions.
ViewJeni Bell
EVP, Chief Marketing Officer
Jeni Bell is Executive Vice President and Chief Marketing Officer for Republic Services. She is responsible for driving growth, enhancing the Republic Services brand and leading the company’s focus in delivering a superior and differentiated customer experience. Jeni oversees marketing, communications, product development, customer engagement and revenue management.
ViewGregg Brummer
EVP, Chief Operating Officer
Gregg Brummer is EVP, Chief Operating Officer of Republic Services, Inc. He is responsible for operationalizing the company’s strategy and executing its business plan across field operations. He also has functional responsibility for all operational support departments, including safety, engineering, environmental compliance and management of a fleet that includes one of the largest vocational truck fleets in the country.
ViewBrian DelGhiaccio
EVP, Chief financial officer
Brian DelGhiaccio is EVP, Chief Financial Officer. Brian is responsible for maximizing shareholder value by driving long-term growth and efficiently allocating capital, managing our enterprise risk and enhancing our internal control environment.
ViewCatharine Ellingsen
evp, Chief legal officer, chief ethics and compliance officer and corporate secretary
Catharine Ellingsen is EVP, Chief Legal Officer, Chief Ethics and Compliance Officer and Corporate Secretary. She is responsible for overseeing the Company’s legal affairs and ensuring Republic Services upholds the highest ethical standards for our customers, employees and shareholders.
ViewAmanda Hodges
evp, chief commercial officer
Amanda Hodges is EVP, Chief Commercial Officer. Amanda is responsible for leading the Company’s sales organization and customer service team to drive profitable growth and customer loyalty.
ViewCourtney Rodriguez
EVP, Chief human Resources Officer
Courtney Rodriguez is EVP, Chief Human Resources Officer. She is responsible for overseeing and executing all aspects of the Company’s talent strategy to achieve our business objectives and ensure Republic continues to be the place where the best people come to work. Courtney leads all human resources functions, including talent acquisition and retention, learning and development and total rewards.
ViewJulia Arambula
SVP, Operations
Julia Arambula is SVP, Operations, Environmental Solutions. In this role, she leads field industrial services and hazardous waste disposal services operations in the United States and Canada. She is responsible for ensuring superior customer service, executing the operating plan and achieving financial and operational results.
ViewLarson Richardson
SVP, Operations
Larson Richardson is SVP, Operations. In this role, he leads recycling and waste field operations in the western portion of the United States and Canada. Larson is responsible for ensuring superior customer service, executing the operating plan, and achieving financial and operational results.
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Board of Directors
Manny Kadre
Chairman of the Board
Manny Kadre joined Republic Services’ Board of Directors in June 2014 and became chairman of the board in March 2017.
Mr. Kadre is Chief Executive Officer of Kollective Auto Group (formerly known as MBB Auto Group), a premium luxury retail automotive group, and previously was Chief Executive Officer of Gold Coast Caribbean Importers. He also sits on the boards of directors of The Home Depot, Inc., and NeueHealth, Inc., where he is the lead independent director. Mr. Kadre serves on the board of trustees for the University of Miami and on the board of directors for University of Miami Health System.
Mr. Kadre is a graduate of Iona College and earned his law degree from Fordham University.
Jon Vander Ark
President and Chief Executive Officer
Jon Vander Ark is President and Chief Executive Officer of Republic Services, Inc., an industry leader in environmental services. He is responsible for leading the Company’s strategy of sustainably handling customers’ environmental services needs.
In addition to Republic’s board, Mr. Vander Ark also serves on the board of directors of Lennox International, Inc., a leading worldwide provider of climate control solutions for air conditioning, heating, and refrigeration. Mr. Vander Ark also serves on the board of Chances for Children, a 501c3 organization that uplifts the children of Haiti through a variety of programs to encourage the movement of a community from survival to stability and sustainability.
Mr. Vander Ark received a Bachelor of Arts degree from Calvin College and a Juris Doctorate from Harvard Law School.
Michael A. Duffy
Audit Committee; Sustainability & Corporate Responsibility Committee
Michael A. Duffy joined Republic Services’ board of directors in July 2020. He is CEO of OnTrac, the largest regional e-commerce parcel carrier in the U.S. Prior to his time at OnTrac, Mr. Duffy was CEO of FleetPride Inc., a leading national distributor of aftermarket parts for the U.S. heavy-duty truck industry. Prior to that, Mr. Duffy served as CEO of C&S Wholesale Grocers, Inc., the nation’s largest wholesale grocery distributor.
Mr. Duffy earned both a bachelor’s degree in Operations Research and a master’s degree in Transportation from the Massachusetts Institute of Technology.
Thomas W. Handley
Talent & Compensation Committee (Chair); Nominating & Corporate Governance Committee
Thomas W. Handley has been on Republic Services’ board of directors since July 2016. He is a senior advisor and former Chief Operating Officer of Cascade Asset Management Company, the investment office for William H. Gates III, and the Bill and Melinda Gates Foundation Trust.
Mr. Handley was previously employed by Ecolab Inc. from 2003 until his retirement in 2019. At Ecolab, Mr. Handley held a variety of senior management positions including almost seven years as its President and Chief Operating Officer, his position the year he retired. Prior to his time at Ecolab, he was a Vice President for Procter & Gamble. Mr. Handley also sits on the board of directors of HB Fuller Co.
Mr. Handley graduated from Claremont McKenna College and earned his MBA from the University of Chicago.
Jennifer M. Kirk
Audit Committee (Chair); Nominating & Corporate Governance Committee
Jennifer M. Kirk has been on Republic Services’ board of directors since July 2016. She is Senior Vice President, Global Controller and Chief Accounting Officer at Medtronic PLC. Prior to her role at Medtronic, Ms. Kirk held the position of Senior Vice President, Integration and Value Capture at Occidental Petroleum Corp., where she worked for over 20 years in various roles of increasing responsibility. Ms. Kirk also serves on the board of directors of Sempra.
Ms. Kirk is a graduate of the University of California, Santa Barbara, earned her MBA from California State University, Bakersfield, and is a certified public accountant.
Michael Larson
Nominating & Corporate Governance Committee (Chair); Finance Committee; Talent & Compensation Committee
Michael Larson has been on Republic Services’ board of directors since October 2009. He is Chief Investment Officer of both Cascade Asset Management Company, the investment office for William H. Gates III, and the Bill & Melinda Gates Foundation Trust, where he has worked since 1994. He sits on the boards of directors of Ecolab Inc., and Fomento Económico Mexicano, and also serves as chairman of the board of trustees of two Western Asset Management funds.
Mr. Larson graduated from Claremont McKenna College and earned his MBA from the University of Chicago.
Tom Linebarger
AUDIT COMMITTEE; SUSTAINABILITY & CORPORATE RESPONSIBILITY COMMITTEE
Tom Linebarger joined Republic Services’ board of directors in February 2024. He is the former Chairman and Chief Executive Officer of Cummins Inc., a global leader in the design and manufacture of power solutions. He also serves on the board of directors of Harley-Davidson, Inc.
Mr. Linebarger earned joint undergraduate degrees in management engineering from Claremont McKenna College and mechanical engineering from Stanford University. He also received a master’s degree in manufacturing systems and an MBA from Stanford University.
Meg Reynolds
Audit Committee; Sustainability & Corporate Responsibility Committee
Meg Reynolds joined Republic’s board of directors in July 2023. She is co-founder, principal, and global emerging markets equity portfolio manager at Westwood Global Investments (WGI), a national financial advisory firm headquartered in Boston. Prior to co-founding WGI, Ms. Reynolds was a portfolio manager of the Latin American Fund at Fidelity Investments. Earlier, she served in roles of increasing responsibility at Putnam Investor Services.
Ms. Reynolds has more than 30 years of investment experience, and serves on several non-profit boards, including the Catholic Schools Foundation, Dana Farber Cancer Institute, Kelly Brush Foundation and Women’s Foundation of Boston.
Ms. Reynolds has an M.S. from the Massachusetts Institute of Technology and a B.S. from the University of New Hampshire.
James P. Snee
Finance Committee (Chair); Talent & Compensation Committee; Nominating & Corporate Governance Committee
James P. Snee has been on Republic Services’ board of directors since July 2018. He is Chairman, President and Chief Executive Officer of Hormel Foods Corp., where he has worked for 30 years. During his time at Hormel, Mr. Snee has held a variety of roles of increasing responsibility, including President and Chief Operating Officer, and Group Vice President, Hormel Foods International Corporation.
Mr. Snee graduated from New Mexico State University and earned his MBA from the University of St. Thomas.
Brian S. Tyler
Talent & Compensation Committee; Finance Committee; Sustainability & Corporate Responsibility Committee
Brian S. Tyler joined Republic Services’ board of directors in April 2021. He is CEO of McKesson Corporation, a publicly traded healthcare distribution, and services company, where he has worked for over 24 years. Mr. Tyler also serves on the board of directors of McKesson Corporation.
Mr. Tyler graduated from the University of California – Santa Cruz and earned both a Ph.D. and a master’s degree in economics from the University of Chicago.
Sandra M. Volpe
Finance Committee; Nominating & Corporate Governance Committee; Sustainability & Corporate Responsibility Committee
Sandra M. Volpe has been on Republic Services’ board of directors since December 2016. Ms. Volpe was previously employed by FedEx Ground from 2000 until her retirement in 2022. At FedEx Ground, Ms. Volpe held a variety of senior management roles, most recently holding the position of Senior Vice President, Strategic Planning, Communications and Business Development Solutions.
Ms. Volpe graduated from Kent State University and earned her MBA from the University of Pittsburgh.
Katharine B. Weymouth
Audit Committee; Finance Committee; Talent & Compensation Committee
Katharine B. Weymouth has been on Republic Services’ board of directors since October 2018. She is Chief Operating Officer of FamilyCare, a start-up in the mental health space. From 2017 to 2022, Ms. Weymouth held the positions of Senior Advisor, CEO, and COO at ChefMarket (formerly dineXpert), an on-demand delivery service for restaurant chefs. Prior to her time at ChefMarket, Ms. Weymouth held numerous leadership positions at The Washington Post, including Publisher and Chief Executive Officer from 2008 through 2014. Ms. Weymouth sits on the boards of directors of Cable One, Inc., Xometry, Inc., Sequoia Mutual Fund, and Graham Holdings Co. She also serves as a trustee of the Philip L. Graham Fund and is Chair of the Board for The Greater Washington Community Foundation.
Ms. Weymouth graduated from Harvard University and earned her law degree from Stanford University.

Leading the Way in Environmental Services
At Republic Services, we’re dedicated to creating a cleaner, safer, healthier world for all. Working with our customers, we provide solutions that make businesses more efficient while taking care of the planet – and protecting the bottom line.
Republic Services Inc. is a holding company and all operations are conducted by its subsidiaries. Unless the context requires otherwise, all references to “Republic,” “Republic Services,” “the Company,” “we,” “us” and “our” refer to Republic Services, Inc. and its consolidated subsidiaries.