Our Executive Leadership team (“ELT”) has over 350 years of tower, power, telco and EM experience, built with localised leadership and dedicated Group ExCo, regional and functional experts.
Tom GreenwoodChief Executive Officer +
Tom GreenwoodChief Executive Officer
Tom Greenwood joined Helios Towers in 2010, during the Company’s formation, and was appointed CEO in April 2022. He has held numerous positions since joining, including two prior executive positions (Chief Operating Officer and Chief Financial Officer).
Tom has overseen many of the Company’s key milestones, including all 15 major M&A transactions, the inaugural 2017 bond and IPO listing, as well as delivering record operational performance for customers. Since 2020, under Tom’s leadership the Company has doubled its tower portfolio.
Tom joined Helios Towers from PwC, and is a qualified Chartered Accountant of the Institute of Chartered Accountants of England and Wales.
Manjit DhillonChief Financial Officer +
Manjit DhillonChief Financial Officer
Manjit Dhillon joined Helios Towers in 2016. He was appointed CFO in January 2021, having held the positions of interim CFO and Head of Investor Relations and Corporate Finance. Manjit is the Head of the London Office and Sustainability and IT also report into him.
Manjit has overseen transactions including capital raisings of c.US$3.5 billion, substantially reducing the cost of capital, and the acquisitions of multiple tower portfolios across six new high-growth markets. He also played a key role throughout the successful IPO of Helios Towers on the London Stock Exchange in 2019.
Prior to Helios Towers, Manjit has held a number of positions in the financial services sector, including with Deloitte, Goldman Sachs and Lyceum Capital. He is a qualified Chartered Accountant of the Institute of Chartered Accountants of England and Wales.
Philippe LoridonRegional CEO – Middle East, East & West Africa +
Philippe LoridonRegional CEO – Middle East, East & West Africa
Philippe Loridon has held a Regional CEO position with Helios Towers since August 2020. His position covers our operations in Tanzania, Senegal, Malawi and Oman.
Philippe previously held the position of CEO of Helios Towers Tanzania from January 2015, and the CEO of Helios Towers Congo and Helios Towers DRC from May 2019 and was previously CEO of Helios Towers DRC between December 2011 and December 2014. He previously served as CEO at Equateur Telecom Congo, where he re-launched Equateur Telecom Congo in Congo Brazzaville.
Prior to this, Philippe accumulated 20 years’ experience in the Telecommunications industry with MNOs based in San Marino, Israel and Papua New Guinea. This included 13 years at Hutchison Whampoa, fulfilling senior roles in sales, marketing and business development before first becoming CEO of Hutchison Sri Lanka in 1998, and then head of Hutchison Telecommunications’ Latin American operations between 2000 and 2002. He was also previously a Director at Be-Mobile. He is a French citizen.
Sainesh VallabhRegional CEO – Southern Africa and Group Commercial Director +
Sainesh VallabhRegional CEO – Southern Africa and Group Commercial Director
Sainesh Vallabh is Regional CEO Southern Africa and Group Commercial Director and oversees the Commercial function of the company. Sainesh’s position covers our South Africa and Madagascar markets. Before taking a greater leadership role in the Commercial function, he has been Regional CEO Southern & Central Africa since August 2020 and has had experience leading our operations in South Africa, Madagascar, in addition to Ghana, DRC and Congo Brazzaville.
Prior to Helios Towers, Sainesh was the Managing Executive of Mergers & Acquisitions for Vodacom Group Limited, where he was responsible for the development and execution of Vodacom’s expansion strategy across the continent, a role he held for over seven years. Before joining Vodacom, Sainesh spent approximately ten years as an Investment Banker at HSBC Bank Plc, HSBC Africa and Rothschild, where his primary focus was advising MNOs on their African expansion and related strategies. He is a citizen of South Africa.
Fritz DzekloRegional CEO – Central Africa +
Fritz DzekloRegional CEO – Central Africa
Fritz Dzeklo has been Managing Director of Helios Towers Ghana since July 2019 and was promoted to Regional CEO Central Africa in January 2023. His position covers our operations in Ghana, DRC and Congo Brazzaville. Fritz joined Helios Towers in October 2012, having held various senior roles during his time, including Projects Director for Helios Towers Tanzania and Head of Projects for Helios Towers Ghana. Prior to Helios Towers Ghana, he was at Vodafone Ghana.
Fritz has vast experience in East, Central and West Africa throughout his career. He is a certified Lean Six Sigma Black Belt and a citizen of Ghana.
Beki MuindeDirector of Business Development and Regulatory Affairs +
Beki MuindeDirector of Business Development and Regulatory Affairs
Beki Muinde was appointed Director of Business Development and Regulatory Affairs in April 2022. Since joining Helios in 2018 as Deputy General Counsel, Beki has been an instrumental member of the team in closing all M&A transactions over the last few years.
Beki joined Helios Towers from Linklaters LLP where she focused on public and private M&A along with corporate advisory work. A great deal of Beki’s work in private practice involved advising, and spending time on secondment to, companies in highly regulated sectors.
Beki is responsible for the Business Development function, focusing on in-market and new-market M&A, as well as managing group-wide Regulatory Affairs.
Allan FairbairnDirector of Delivery and Business Excellence +
Allan FairbairnDirector of Delivery and Business Excellence
Allan Fairbairn became Director of Delivery and Business Excellence in April 2022. He joined Helios Towers as Director of Operations and Technology in June 2021, focusing on Performance Engineering and Delivery functions of the Group, including Operations, Supply Chain and PMO. He joined Helios Towers from Aggreko, where he held a number of senior positions including Area General Manager for West and Central Africa, a position he held since 2016, and led operations for Africa as an Operations Director in the EMEA team, a position he held for four years prior.
Allan has extensive international experience in setting up and managing technical operations in markets across Africa and the Middle East. He is a Chartered Electrical and Electronic Engineer, a Fellow of the Institute of Engineering and Technology, an accredited Lean Six Sigma Black Belt and is a British citizen.
Lara CoadyDirector of Operations and Engineering +
Lara CoadyDirector of Operations and Engineering
Lara Coady was appointed Director of Operations and Engineering in April 2022. In this role, she oversees performance engineering, operations and technology of the company. She joined Helios Towers in 2016 as Group Customer Programme Manager and more recently had held the position of Head of Performance Engineering.
Lara has more than 13 years of work experience in the Africa and Middle East regions. She had held a number of technical positions including Principal Engineer – Performance Management at Aggreko, where she had spent five years prior to joining Helios Towers.
Lara is an accredited Lean Six Sigma Black Belt and is a British citizen.
Doreen AkonorDirector of Human Resources +
Doreen AkonorDirector of Human Resources
Doreen Akonor has an extensive HR career having undertaken various roles within Telecommunications, Investment and Financial Services across the UK, EMEA and Africa.
At Vodafone Group, these included being Head of Diversity and Inclusion and Group Senior HR Business Partner for multiple functions in UK, Ghana and Europe and was one of 40 chosen globally for their HR Excellence Programme. Following her time in the telecoms sector, Doreen has worked in private equity focusing on Talent, Diversity & Inclusion, HR strategy and operational performance. With Leapfrog Investments, Doreen was the HR Director for their portfolio companies in Africa & Asia. With Varde Partners, Doreen was HR Lead (Value Creation Group) for their European region leading leadership and organisation initiatives. Doreen was also Chief HR Officer for a leading digital bank in Spain. Furthermore, in a consultancy capacity for Schneider Ross, Doreen has advised the likes of Vodafone and Safaricom on various D&I initiatives and programmes.
Doreen holds a Master’s in Human Resources Management, is a fellow of the Chartered Institute of Personal Development and has completed HR Executive Programme at Harvard Business School and is a member of International Coach Federation.
Nick SummersDirector of Property and SHEQ +
Nick SummersDirector of Property and SHEQ
Nick Summers has been Director of Property & SHEQ since January 2022 and was previously Director of Sustainability & Organisational Development and a member of the executive team since 2015, when he was appointed Director of Corporate Services.
Nick joined Helios Towers in 2010 after spending nine years with Vodafone both in the United Kingdom and abroad. His final role at Vodafone Group Plc was National Head of RAN Deployment for Vodafone Ghana (previously state-owned Ghana Telecom). Nick is the head of the London office. He is responsible for the Group’s HSE and Quality programmes, in addition to managing our property estate across the portfolio.
Nick has a Bachelor of Science (Hons) in Rural Enterprise and Land Management and holds a National General Certificate (‘NEBOSH’) in Health & Safety and an environmental Associate Member Certificate (‘IEMA’). He is a British citizen.
Paul BarrettGeneral Counsel and Company Secretary +
Paul BarrettGeneral Counsel and Company Secretary
Paul Barrett joined Helios Towers plc as General Counsel and Company Secretary in April 2020. Prior to joining Helios Towers, Paul was Director of Legal and Company Secretary at RAC Motoring Services, a position which he assumed in July 2018. Before this, he held interim positions as General Counsel of Helios Towers, Ltd. and Legal Director at Prudential plc. From 2006 until February 2017, Paul was Head of Legal Affairs at Home Retail Group plc, the then parent company of Argos and Homebase and the UK’s largest non-food retailer.
Paul has an LLB (Hons) in Business Law and qualified as a Barrister before moving into industry. He has extensive senior management and board level experience, domestically and internationally, in both listed and private companies. He is a British citizen.
Karim NdiayeMD Senegal and Regional Director Central and West Africa +
Karim NdiayeMD Senegal and Regional Director Central and West Africa
Karim Ndiaye joined Helios Towers as Managing Director for Senegal in March 2021, launching operations in our sixth market. In his capacity as Regional Director Central and West Africa, he also supports our operations in Ghana and Congo Brazzavile.
Prior to joining Helios Towers, Karim held the role of Regional Asset Management Director for the Meridiam Investment Africa Fund, an infrastructure investment fund. In this role, he supported the fund in the opening of their Dakar office and was responsible for the management of several large infrastructure projects across West and Central Africa in sectors including Renewable Energy and Transport & Logistics.
Karim is an accredited Lean Six Sigma Orange Belt with almost two decades of international experience in senior management roles in companies including Matforce, Ericsson, Aggreko & Man Energy Solutions, delivering power projects across Sub-Saharan Africa. He is a Senegalese national.
Ramsey KoolaMD Oman and Regional Director Middle East and East Africa +
Ramsey KoolaMD Oman and Regional Director Middle East and East Africa
Ramsey Koola was appointed Managing Director (‘MD’) of Helios Towers Oman in July 2021. In his capacity as Regional Director Middle East and Africa, he also supports our operations in Tanzania and Malawi.
Prior to this appointment, Ramsey held the position of MD for Helios Towers Tanzania. He was instrumental in growing the Helios Towers Tanzania business and delivering on our strategic plan in Tanzania.
Ramsey joined Helios Towers in 2015 as Head of NOC, later taking on the role of Group Head of NOC, in which he delivered technology upgrades and process improvements across the business. Prior to Helios Towers, Ramsey was a Technical Support Manager with Siemens Telecommunications (Pty) Ltd and CELLC (Pty) in South Africa and has over 20 years’ experience in the African Telecommunications industry. He is a certified Lean Six Sigma Black Belt and a citizen of Tanzania.
Marinus GieselbachMD South Africa and Regional Director Southern Africa +
Marinus GieselbachMD South Africa and Regional Director Southern Africa
Marinus Gieselbach has been the Managing Director of Helios Towers South Africa since June 2020. In his capacity as Regional Director Southern Africa, he also supports our operation in Madagascar.
Marinus joined Helios Towers South Africa as the Operations Director in 2019. Prior to joining Helios Towers, he held executive positions in operations, commercial and finance with Vulatel, Dimension Data Advanced Infrastructure and Plessey. During this time, he delivered various tower, fibre and data centre projects in 12 African countries over a period of 14 years.
Marinus holds a Bachelor of Commerce Honours in Financial Management from the University of Pretoria. He is a citizen of South Africa.
Gwakisa StadiMD Helios Towers Tanzania +
Gwakisa StadiMD Helios Towers Tanzania
Gwakisa Stadi has been the Managing Director of Helios Towers Tanzania since July 2021. Prior to this appointment, Gwakisa held the position of Finance Director for Helios Towers Tanzania from 2017, where he successfully led the Finance function in our largest market, having joined the business in 2015 as Financial Controller.
Prior to joining Helios Towers Tanzania, Gwakisa worked as an external auditor at Deloitte Tanzania Ltd. In this role he provided auditing and assurance services to national and multinational corporates across sectors including Telecommuniations, Financial Services and Manufacturing, among others. He holds a Bachelor of Commerce in Accounting and Auditing from the University of Dar es Salaam. He is a Certified Public Accountant – CPA(T) registered with the National Board of Accountants and Auditors (‘NBAA’). He is a certified Lean Six Sigma Black Belt and a citizen of Tanzania.
Colard Nkole TshiyoyoMD Helios Towers DRC +
Colard Nkole TshiyoyoMD Helios Towers DRC
Colard Nkole Tshiyoyo became the Managing Director of Helios Towers DRC in October 2022. Previously Colard held the role of Managing Director for Helios Towers Madagascar and Helios Towers Congo Brazzaville. Colard joined Helios Towers in 2011 and has undertaken many roles including Project Manager, Project Director and Head of Performance Engineering. Colard is a Civil Engineer from the University of Kinshasa and, since 2009, has been a Professor Assistant in the Civil Engineering department at the University and a certified Project Manager since 2016.
Colard has over 17 years’ experience in the Telecommunications industry and before joining Helios, Colard was working for Airtel as the Site Supervisor in 2004 and then Project Supervisor in 2006. Colard is a Congolese (DRC) citizen.
Maixent BekangbaMD Helios Towers Congo Brazzaville +
Maixent BekangbaMD Helios Towers Congo Brazzaville
Maixent Bekangba joined Helios Towers as Managing Director of Helios Towers Congo Brazzaville in June 2022.
Prior to joining Helios Towers Congo Brazzaville, Maixent was most recently CEO of Property Technology Africa, an infrastructure design company for smart buildings and connected cities. In addition to his experience at the Executive level in several markets across Africa within Telecom industry, Maixent has also spent 13 years at Airtel where he held a number of senior management roles in Chad, Congo Brazzaville as Chief Commercial and later on Director of Merger and Integration before moving to Madagascar where he was Managing Director.
Ahmat OusmaneMD Helios Towers Madagascar +
Ahmat OusmaneMD Helios Towers Madagascar
Ahmat Ousmane has been the Managing Director of Helios Towers Madagascar since October 2022. Prior to this appointment, Ahmat held the position of Launch Director, where he successfully worked setting up and integrating new markets in Senegal, Oman & Madagascar.
Ahmat joined Helios Towers in 2014 and has held several management positions in different functions, from SHEQ, Projects, Operations to Business Excellence.
Prior to joining Helios Towers, Ahmat worked as a Quality Manager at Norwest Group International, Glencore & Schlumberger in Chad and abroad.
He holds an Engineer’s degree in Geophysics & Environment from Doukkali University (Morocco) & Oklahoma State University (USA). He is a certified Lead Auditor from the British Standard Institution (UK) and certified Lean Six Sigma Black Belt. Ahmat is a citizen from Chad.
Sima VarsaniGroup Head of Sustainability +
Sima VarsaniGroup Head of Sustainability
Sima Varsani joined Helios Towers in May 2020 as our first Group Sustainability Manager and helped to develop our sustainable business strategy. She works with teams right across the business to drive our positive social and economic impact and to reduce our environmental footprint.
She previously held sustainability roles in consultancy as well as at the GSMA (the mobile industry association), Vodafone and Sainsbury’s.
Sima has a Classics degree from the University of Cambridge and is a British citizen.
Craig JamesGroup IT Director +
Craig JamesGroup IT Director
Craig James joined Helios Towers in October 2019, having previously been Head of Information Technology (‘IT’) at Ophir Energy, an African and Asian focused oil and gas exploration and production company. Craig has over 25 years’ experience in the field of Information Technology. He started his career at Barclays, has experience in the Telecommunications sector and previously held roles as Global IT Architect and Head of IT (Asia Pacific) at a FTSE 100 multinational mining organisation. Craig also has consulting experience with BP, AWE and Credit Suisse.
Craig holds IT industry qualifications and has over 18 years’ experience working across Africa. He also holds an MBA Essentials certification from the London School of Economics. He is a British citizen.