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Our Executive Committee

Ashley Almanza

Ashley Almanza, EXECUTIVE CHAIRMAN, ALLIED UNIVERSAL International

Appointed: May 2013

Skills and experience: Extensive board and executive management experience in complex international businesses. Holds an MBA from the London Business School.

Career experience: Senior executive roles at BG Group from 1993 to 2012, including CFO from 2002 to 2011 and Executive Vice President from 2009 to 2012, during which he led BG Group’s UK, European and Central Asian businesses and the group’s commercial strategy in Central Asia. Formerly non-executive director (chair of Risk and Audit) of Schroders plc between 2011 and 2016 and Noble Corporation Inc between 2013 and 2018. He previously served as Chairman of the Hundred Group and was a member of the Advisory Board for the Oxford University Centre on Business Taxation.

Current external commitments: Chairman of the International Security Ligue.

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Charles Baillieu

Charles Baillieu, CFO - International

Appointed: May 2021

Skills and experience: Charlie studied at Durham University, graduating in 2007 with an Honours degree in History. After graduating, he worked for 5 years in the investment banking division of Citi, gaining wide experience in Corporate Finance and M&A.

In 2012, Charlie joined G4S, since when he has held a number of senior commercial, operational and finance leadership roles, working at Business Unit, Region and Group level. Most recently he was Regional CFO, Europe and prior to that he was Divisional CFO, Global Cash Solutions. 

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Celine Barroche

Celine Barroche, General Counsel - International

Appointed: October 2021

Skills and experience: As a Qualified solicitor for England & Wales and Chartered Company Secretary, Celine brings strong leadership skills and a wealth of corporate, international and security industry experience. After obtaining a master's degree in law from the University of Burgundy in France, Celine gained legal experience in the construction industry and the automotive industry, before qualifying as a solicitor in England and Wales, specialising in corporate and commercial law.

Celine left legal practice in 2009 and joined G4S, where she held a number of senior leadership roles in the Legal team, working at Regional and Group level. Most recently, Celine was Company Secretary and Deputy General Counsel for G4S. 

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Mel Brooks

Mel Brooks, Regional CEO - Africa and Middle East

Appointed: May 2015

Skills and experience: Mel joined G4S in 2012 and his roles included Group Strategy & Commercial Director and CEO India and South Asia, where he led the transformation of the business, improving operations, customer service and sales.

Prior to joining G4S, Mel held a number of senior line and functional roles in the defence and technology industries where he was responsible for service line and commercial strategies, technology development and leadership of a number of business unit turnaround programmes.

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Kitty George

Kitty George, Corporate Affairs Director

Appointed: January 2022

Skills and experience: Kitty joined G4S in 2011 and is responsible for ESG, government affairs, media, content and employee communications.

Prior to taking up her current role, Kitty was G4S's Director of Speak Out, sitting on the International and Regional Ethics Committees, ensuring a consistent, best-practice approach to whistleblowing across the organisation.  Previously, Kitty held a number of senior communications roles, both within G4S and, before joining the company, for a range of FMCG brands and global sporting governing bodies. Kitty holds a first class honours degree in Latin and Ancient Greek.

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Catherine Hooper

Catherine Hooper, Chief Human Resources Officer

Appointed: May 2020

Skills and experience: Catherine first joined G4S in 2018 as HR Director for Cash Solutions, UK and soon moved into the role of HR Director, for the Global Cash Division. Catherine previously held senior HR roles at GB Airways (a franchise of British Airways), Virgin Atlantic and Cornhill Insurance.

Following the sale of the cash solutions business, Catherine joined the executive Committee to lead the HR function across the group. In such a people intensive business, the HR community across G4S provides essential services ranging from hiring, screening and training hundreds of thousands of front line employees each year, to nurturing the organisational culture and values which enable our leaders to excel in a demanding, fast paced business environment.

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Jesus Rosano

Jesus Rosano, Regional CEO - LATAM & Chief Operating Officer - International

Appointed: January 2018

Skills and experience: Jesus joined G4S in March 2014 as Chief Operating Officer, Latin America. In January 2016 Jesus joined the executive committee as Group Strategy and Commercial Director and was appointed to his current role, on 1 January 2018. Jesus holds a bachelor’s degree in Engineering and Administration from ITESM University, Mexico.

Prior to joining G4S he held senior line, functional and regional roles at DHL, in Latin America and North America. Before DHL, Jesus worked in strategy consulting and investment banking.

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Stephane, Verdoy, G4S, Sales

Stephane Verdoy, Regional CEO - Europe

Appointed: February 2018

Skills and experience: Stephane joined G4S in May 2014 in the role of Regional Sales Operations Director and moved in to the role of Sales Director, Europe shortly afterwards. Stephane joined the executive committee as Group Sales & marketing Director in February 2018 and was appointed to his current role in September 2020. Stephane holds a bachelor degree in Marketing and Distribution.

Prior to joining G4S he held many different roles in sales, sales operations and field marketing at Fedex. His last position at Fedex was Vice President Global Sales and Sales Operations Europe.

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Sanjay Verma

Sanjay Verma, Regional CEO - Asia PAcific

Appointed: January 2018

Skills and experience: Sanjay joined G4S in May 2017 as Regional President Secure Solutions – Asia Pacific. Sanjay has extensive business experience operating across Asia Pacific having been based in India, China and Hong Kong. Sanjay joined G4S from Cushman & Wakefield, a global real estate services firm.

During his 17 years in that company he held a number of leadership roles including CEO, Asia Pacific and Chief Executive, Global Occupier Services, covering the Asia Pacific region. Sanjay is a graduate in electrical engineering and has a MBA in finance & marketing. 

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Fiona Walters

Fiona Walters, Regional CEO - UK & Ireland 

Appointed: September 2021

Skills and experience: After working at various UK blue chip companies Fiona joined G4S in 1992 as it was forming its Care & Rehabilitation Services business and played an instrumental role in the start-up and development of the business.  Remaining with this division, she moved to the US to run the US-based companies, taking them to market-leading positions within three years. 

She then joined G4S' Americas Region working first in Communications and Corporate Development and subsequently leading our sales and business development for all service lines in 20+ countries, while directly managing the sales organisation in G4S's largest single global business unit, where sales output was doubled in three years.  Most recently Fiona was EVP Sales and Marketing - International where she led a highly regulated global customer portfolio spanning more than 80 countries. 

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