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Get to know us.

Our team has one core ambition; to empower societies and unleash economies by connecting investors to cutting edge opportunities that deliver stable capital growth.
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The Digital Infrastructure Team

Our team has a proven track record of over US$300 billion infrastructure transactions experience, alongside in-depth relationships with our well-connected, deeply knowledgeable network of digital infrastructure industry experts.

We are 100% focused on the provision of digital infrastructure integrated with green and cleaner power in line with UN Sustainable Development Goal 9: “Build resilient infrastructure, promote inclusive and sustainable industrialisation and foster innovation”.

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Thor Johnsen
Head of Digital Infrastructure
Thor is the Fund Manager for D9. He has over 15 years’ experience in infrastructure investment and over 22 years in M&A, deploying over $3 billion, including as head of infrastructure investment for Arcapita Bank across Europe. He has managed digital infrastructure portfolios for 7 years.
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Andre Karihaloo
Investment Director
Andre is an Investment Director at D9. He has over 15 years’ experience in financial services, starting in investment management at HSBC. In digital infrastructure, he has invested over $700 million into projects and businesses and advised on over $4 billion of transactions.
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Arnaud Jaguin
Investment Director
Arnaud has over 15 years’ experience in telecoms and digital infrastructure. He began his career in telecoms M&A advisory at UBS Investment Bank in London, advising on almost £50bn of transactions. At Level3 Communications and RETN, he worked on corporate development, corporate strategy, segmentation and sales operations.
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Martin Letrilliart
Investment Associate
Prior to joining Triple Point, Martin was an analyst at Property Partner, a VC-backed property crowdfunding investment platform. He has 5 years’ experience in originating and executing transactions in the healthcare and residential property sectors and is now responsible for the execution of transactions for D9.
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Amber Reid
Investment Associate
Amber joined Triple Point in August 2021 as an Investment Associate in Digital 9 Infrastructure plc. Before joining Triple Point, Amber worked within the Transaction Services team at Mazars Deal Advisory.

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Colin Wallace
Investment Associate
Prior to Triple Point, Colin was a member of the corporate finance team at Houlihan Lokey, where he spent over 3 years working on a number of M&A transactions. He holds a Masters in Financial Analysis degree from the London Business School.
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Jack McWhinnie
Investment Associate
Before joining Triple Point, Jack worked for a U.S. based Fund investing in growth infrastructure opportunities. He also served as a Board Observer for UKCloud. Jack graduated from the University of Warwick in 2020 with a Bachelor of Science with Honours in Management with Finance.
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Isobel Gunn-Brown
Chief Financial Officer
Isobel is ACCA qualified and has over 30 years’ experience in the financial services sector. She acts as CFO for D9 where she leads the financial reporting.
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Lindsay Smart
Head of Sustainability
Lindsay has over 15 years of finance industry experience alongside formal training in sustainable business practice. She has previously led the development of an award-winning sustainability and impact assessment tool, in addition to advising companies and investors on their approach to sustainability integration.
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Joseph Bush
ESG Analyst
Joseph is responsible for assessing the ESG performance of pipeline companies and driving forwards data collection and performance improvements in the portfolio. He previously worked with a range of corporates and private equity firms as a sustainability consultant and has prior experience working in sustainable supply chains.
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Khairul Aziz
Fund Accountant
Khairul is the Fund Accountant for D9. He previously worked in Social Housing (REIT) and Leasing and Lending teams, coming from audit background where he has over 20 years’ experience in audit, accountancy and corporate taxation. Khairul holds a B A (Hons) Accounting and also a fellow of ACCA
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Seif Borin
Legal Counsel
Seif joined Triple Point in 2021 and is a Legal Counsel for D9. Seif was an associate at an international law firm and advised financial institutions, banks and sponsors on their project financing arrangements in the energy and infrastructure sectors, and spent a year in Paris working on a variety of project finance transactions.
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Katy Collins
Team Assistant
Katy is the Team Assistant to the D9 team and the other Investment teams. As well as this, she also helps with organising Triple Point’s companywide events and roadshows.She has several years’ of experience within PA and administration, previously working within the Life Sciences industry.

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Eleanor Kehoe
Marketing Manager
Ellie is the Marketing Manager at Triple Point and is responsible for all digital infrastructure marketing activities. Ellie has extensive experience in marketing across both digital and traditional channels, her responsibilities include team management, digital and brand strategy, paid media campaigns and website management.
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Alan Harper
Operating Partner
Alan spent 12 years at Vodafone Plc, as Group Strategy Director, he led c.$200bn of acquisitions. Alan co-founded and was CEO at Eaton Towers, a leading tower company, which was acquired by American Tower for c.$1.9bn in 2019.
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Ed McCormack
Operating Partner
Ed spent 8 years at FLAG Telecom, as CEO, he led the development of c.52,000km global portfolio of subsea fibre. He is currently also a senior adviser to Ciena, a telecoms equipment supplied with market capitalisation of over $8bn.
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Steve Andrews
Operating Partner
Steve was an Executive at BT plc for 25 years, including as President of Global Carrier business, he was responsible for managing BT's Network Operations across 125 countries and was a member of BT Group Capital Investment Committee. Previously he was Chairman of PE backed Azzurri Communications until its successful exit in 2016.
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Simon Beresford-Wylie
Operating Partner
Simon was the CEO of Arqiva and led the sale of Arqiva's telecoms division for c.$2bn, as well as the Indoor Networks portfolio sale to Wireless Infrastructure Group (WIG), a 3i Infrastructure company. Simon was previously VP at Network's Business Unit of Samsung Electronics and founding CEO of Nokia Siemens Networks.