Paul Walker
Independent Non-Executive Chair
Paul Walker was appointed as a director and as non-executive Chair of the Board of Sunbelt in October 2025 and served as a director of Ashtead (from July 2018 to March 2026) and as non-executive Chair of the Ashtead Board (from September 2018 to March 2026). Mr. Walker has served as the non-executive Chair of RELX plc since March 2021. Mr. Walker was previously Chief Executive of the Sage Group plc from May 1994 to September 2010 and served on the boards of Diageo plc from June 2002 to October 2011, Experian plc from June 2010 to July 2019, Halma plc from April 2013 to July 2021, Sophos Group plc from June 2015 to March 2020 and MyTravel Group plc from December 2000 to December 2004. Mr. Walker received his Economics degree at the University of York. Mr. Walker was selected to serve on the Sunbelt Board because of his significant experience as a public company executive, strong financial background and high-level non-executive experience.
Brendan Horgan
Chief Executive Officer
Brendan Horgan, Chief Executive Officer, was appointed as Chief Executive Officer of Sunbelt in February 2025 and served as Chief Executive of Ashtead from May 2019 to March 2026. Mr. Horgan joined the board of Ashtead in January 2011 and the board of Sunbelt in February 2025. During his nearly 30-year career with Sunbelt and Ashtead, he has held positions of increasing responsibility, including as Chief Operating Officer of North America from 2003 until becoming Chief Executive Officer of North America in 2011, a position he held until being appointed as Chief Executive of Ashtead. Mr. Horgan received a B.S. from Radford University. Mr. Horgan was selected to serve as Chief Executive Officer and on the Sunbelt Board because of his more than 25 years of experience in the equipment rental business, detailed knowledge of operations and active leadership of our strategy, M&A, commercial go-to-market and business development.
Angus Cockburn
Senior Independent Director
Angus Cockburn was appointed as a director of Sunbelt in October 2025 and served as a director of Ashtead from October 2018 to March 2026. Mr. Cockburn has served on the board of The Edrington Group Limited since September 2020, including as chair since April 2025, on the board of BAE Systems plc since November 2023, and as chair of the board of James Fisher and Sons plc since May 2021. Previously, Mr. Cockburn was Chief Financial Officer of Serco Group plc from October 2014 to April 2021. Additionally, Mr. Cockburn was Group Finance Director, Chief Financial Officer and Interim Chief Executive at Aggreko plc from May 2000 to September 2014 and served as a non-executive Director at GKN plc from January 2013 to April 2018, at Howden Joinery Group plc from October 2006 to September 2013 and at STS Global Income & Growth Trust plc from May 2021 to June 2024. Mr. Cockburn received his M.B.A. at Switzerland’s IMD Business School. He is also an Honorary Professor at the University of Edinburgh and a member of the Institute of Chartered Accountants of Scotland. Mr. Cockburn was selected to serve on the Sunbelt Board because of his deep understanding of the rental market and specialty businesses and extensive experience as chief financial officer at several major global organizations.
Nando Cesarone
Independent Non-Executive Director
Nando Cesarone was appointed as a director of Sunbelt in October 2025 and served as a director of Ashtead from August 2025 to March 2026. Mr. Cesarone is currently Executive Vice President and President U.S. for United Parcel Service Inc. (NYSE: UPS), where he has held a variety of senior management roles, including airline and engineering responsibilities, since 1990. He has also served as a non-executive director of Airlines for America since June 2022. Mr. Cesarone received his M.B.A. at Heriot-Watt University. Mr. Cesarone was selected to serve on the Sunbelt Board because of his significant public company executive experience.
Jill Easterbrook
Independent Non-Executive Director
Jill Easterbrook was appointed as a director of Sunbelt in October 2025 and served as a director of Ashtead from January 2020 to March 2026. Ms. Easterbrook has served on the board of Tracsis plc since October 2022, including as non-executive chair since July 2023, and as non-executive chair of Headland Consultancy since July 2021. Ms. Easterbrook has held several prior board positions as well, including at Ultimate Products from September 2020 to October 2024 and at Auto Trader Group plc from July 2015 to September 2024. Ms. Easterbrook served as Chief Executive Officer of JP Boden & Co from February 2017 to January 2020 and held a number of senior management positions with Tesco PLC from 2001 to 2016. Ms. Easterbrook holds a degree in Economics from Leeds University. Ms. Easterbrook was selected to serve on the Sunbelt Board because of her strong digital expertise within retail environments and her extensive board experience.
Renata Ribeiro
Independent Non-Executive Director
Renata Ribeiro was appointed as a director of Sunbelt in October 2025 and served as a director of Ashtead from January 2022 to March 2026. Since June 2022, Ms. Ribeiro has served as Senior Vice President, Strategic Operations for Carnival Corporation & plc, where she previously served in numerous senior management roles since October 2008. Prior to that, Ms. Ribeiro held positions at Natura & Co., serving as Director of Commercial Innovation from 2007 to 2008 and as Director of International Business Development from 2005 to 2007. Ms. Ribeiro also worked in strategic management consulting for 10 years with the Boston Consulting Group and Booz, Allen & Hamilton (now Strategy&). She earned her M.B.A. at Wake Forest University School of Business. Ms. Ribeiro was selected to serve on the Sunbelt Board because of her strong commercial and digital experience and her significant executive leadership experience in large scale publicly, dual-listed global company.
Jamie Singleton
Independent Non-Executive Director
James Singleton was appointed as a director of Sunbelt in October 2025 and served as a director of Ashtead from August 2025 to March 2026. Mr. Singleton currently serves as lead independent director and chair of the executive committee of Wesco International Inc. (NYSE: WCC) where he has served as a director since the company’s initial public offering in May 1999. Previously, Mr. Singleton was the Chief Executive Officer and Chair at Curex Group LLC from October 2009 to October 2023. Mr. Singleton received a B.A. in English and History at Yale University and an M.B.A. from the University of Chicago Booth School of Business. Mr. Singleton was selected to serve on the Sunbelt Board because of his significant public company executive and director experience.
Roy Twite
Independent Non-Executive Director
Roy Twite was appointed as a director of Sunbelt in October 2025 and served as a director of Ashtead from June 2024 to March 2026. Mr. Twite has served as Chief Executive Officer of IMI plc since May 2019. Mr. Twite was previously a non-executive director of Halma plc from July 2014 to June 2024. Mr. Twite completed his master’s degree at Cambridge University and the Advanced Management Program (AMP) at Harvard Business School. Mr. Twite was selected to serve on the Sunbelt Board because of his wide-ranging knowledge of the global industrial sector and extensive strategic, management and operational experience.