Duncan Grierson
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Duncan Grierson Email & Phone Number

Managing Partner, Founder at Energetik Ventures
Location: London, England, United Kingdom 13 work roles 4 schools
1 work email found @energetik.vc LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Managing Partner, Founder
Location
London, England, United Kingdom
Company size

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Duncan Grierson is listed as Managing Partner, Founder at Energetik Ventures, a with 1 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at energetik.vc and a matched LinkedIn profile for Duncan Grierson.

Duncan Grierson previously worked as Managing Partner at Clim8 Ventures and Venture Partner at 7Percent Ventures. Duncan Grierson holds Mba from Insead.

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{first}@energetik.vc
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About Duncan Grierson

20+ years as a cleantech entrepreneur and investor. 3x founder/operator. Built several companies in biofuel, AI powered energy storage software, wind blade composites and invested in many others, especially software and AI solutions for the energy transition around EV charging, virtual power plants, flexibility trading and energy efficiency. Raised over £100m in venture capital from Goldman Sachs, Fidelity, Impax, Itochu et al. Investor in 40+ startups. Multiple exits. And plenty of scars. Various awards eg EY Entrepreneur of Year Cleantech award. Before I was a founder I worked in venture capital with top tier venture fund TCVC in London, Silicon Valley and Paris. Started career as a private equity lawyer with magic circle law firm Clifford Chance in London and Frankfurt.

Listed skills include Venture Capital, Entrepreneurship, Private Equity, Investments, and 18 others.

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Energetik Ventures
Energetik Ventures
Managing Partner, Founder
United Kingdom
Website
Employees
1
AeroLeads page
13 roles · 30 years

Duncan Grierson work experience

A career timeline built from the work history available for this profile.

Managing Partner

Current

London, Gb

Investing in + building energy tech ⚡️Moixa : energy storage software - First Chair, 3rd Director (Exit)Fabriq : SaaS IoT for energy efficiency in buildings (Exit)UComposites : wind blade composites, Denmark - First Chair, co-founder (Exit)Echion : fast charging EV batteries, backers BGF, Volta EnergyEV.Energy : EV charging platform, backers Energy Impact PartnersPiclo : digital platform for grid flexibility, backers Clean Growth Fund, Future Energy Ventures Flexport : digital logistics platform, $8bn valuation, a16z, SoftbankPlumerAI : AI for low power edge devices, backers EF, Tony FadellXlinks/XLCC : clean energy HVDC, backers Octopus, Total EnergiesIntelligent Growth Solutions : vertical farming, backers AgFunder, S2G VenturesHummingbird : AI analysis crops (fail, assets sold to Agreena)Puraffinity : biomaterials to capture PFAS, backers Octopus, KindredAlithic : carbon capture, backers Counterract, KikoKofa : battery swap, ShellVaire : low energy AI chips, backers 7pc, SeedcampObjectBox : superfast low energy database, TechstarsSpotta : AI enabled low power IoT AED Energy : long duration energy storage, ZCCDyeRecycle : chem recycling, OctopusPonterra : biocredit projectsConcentro : clean energy creditsGauge19 : AI assistant for renewablesEA: AI for ESGNon climate:Uizard : Gen AI coding, backer Insight Partners, Denmark (Exit)SIME : AI for clinical diagnostics, DenmarkTiney : childcare app, backers Index/Local GlobeLirica : language app, backer Sony MusicSo-Sure : insurance app, backer BreegaBike.Rent : B2B SaaSAdvisory:•Adviser Klima energy transition fund•Non-Exec Director, Gresham House Renewable Energy VCT, listed London Stock Exchange•Expert adviser:>McKinsey, Bain, Goldman re energy transition>UK Gov/BEIS for £75m Energy Entrepreneurs Fund>EU for €600m Innovation Fund for low carbon tech>PE fund re waste-to-energyMentor: Octopus Deeptech, Techstars Energy (Oslo), Techstars (London), Imperial accelerator

Aug 2015 - Present

Venture Partner

Current

London, England, Gb

VC fund investing into early stage deep tech from offices in London & San Francisco. 7pc was a seed investor in Oculus VR (acquired by Facebook for $2bn and 150x return), Magic Pony Technology (acquired by Twitter for $150m and 17x return), SourceDNA (acquired by Apple), Blue Vision Labs (acquired by Lyft), Entrepreneur First (investors include Reid Hoffman/ Greylock) and Flexport (Founders Fund/YC/ DST/ SoftBank, latest valuation $8bn). Helped early on with raising the first fund as Partner in 2016 (LPs include Atomico, Molten and BBB). Non-exec/ Venture Partner since 2017. Personally most interested in sustainability and cleantech eg energy tech and electric mobility.

Jan 2016 - Present

Senior Advisor, Klima Energy Transition Fund

Madrid, Community Of Madrid, Es

Klima is a €210M venture fund investing into energy tech startups at growth stage, typically series B and C. Klima’s cornerstone investors are Alantra, EIF, CPPI, Enagas and others. Headquarters in Madrid, investing across Europe including UK, as well as USA. Typically investing €8-10M per company.

Oct 2023 - Mar 2024

Ceo & Founder

London, London, Gb

Clim8 Invest is the first fintech platform focused on investing for climate impact and strong returns. Democratising access to climate tech investing, we go far beyond "ESG" and focus on listed companies with solutions to climate change, in particular in clean energy, cleantech and smart mobility. Built a team of 50 including 20 software engineers. Raised £12m from investors including Channel 4 Ventures, 7 Percent Ventures, Evergreen Fund, 5 partners at Generation Investment/Just Climate, the ex CEO of Interactive Investor, directors of fintechs N26 and Monese and several ex McKinsey and Accenture partners. Launched a TV advert, narrated by mathematician and Bloomberg presenter Hannah Fry, on Channel 4. Interviewed for Bloomberg, BBC, Techcrunch, Sifted. Won varous awards eg Wired Money competition, Times Earth competition, FT Tech Champion. Selected for Google Growth programme and Tech Nation Upscale programme.

Jul 2019 - Jun 2023

Non-Executive Director, Renewable Energy Venture Capital Trust Plc

London, Gb

Venture Capital Trust listed on London Stock Exchange, investing into solar, wind and cleantech.I was head-hunted to join the Board as the "cleantech expert".

Jul 2018 - Oct 2022

First Chair & Strategy Director, Then Non Exec Director & Senior Adviser

Gb

Software /AI platform « Gridshare » to aggregate solar batteries and EV batteries, to create a cloud based "Virtual Power Plant", using AI to optimise energy use. Acquired by Lunar Energy, a US platform founded by the ex head of Tesla Energy and funded by $300m from Sunrun the largest solar installer in the US and industrial conglomerate SK Group. I was semi-exec for 2 years as the 3rd director with the 2 founders and advised on strategy, funding, management processes, hiring, product, go to market and governance. I raised £10m in seed, series A and series B rounds. Investors include HONDA, ITOCHU Corp (Fortune 250), Tokyo Electric PowerCo, First Imagine Ventures, Contrarian Ventures, GMCA and various senior VC/PE/energy execs including Jon Moulton, Jim Mellon, Sam Laidlaw, Ian Marchant, Jeremy Leggett. Later non exec director and Senior Adviser. Sunrun is now using the Gridshare VPP platform for its installed base in US market: https://www.reuters.com/business/sustainable-business/sunrun-taps-startup-operate-power-plants-its-home-solar-systems-2023-01-31/

Apr 2016 - Jun 2020

Managing Director, Head Of Cleantech Vc

London, England, Gb

Iona Capital is an infra private equity firm that manages 4 x bio-energy renewable funds with AUM of £350m. I was hired to head up a new VC team to focus on cleantech opportunities eg energy storage, electric vehicle charging, digital energy platforms, energy efficiency, circular economy. Reviewed eg Limejump, Hometree, Pivot Power. I split my time 50/50 between Iona Capital and Moixa Technology.Member of fund strategy committee.

Jul 2016 - Dec 2017

Ceo, Founder

London, England, Gb

Pioneered new technology to recycle thin film plastics such as bags and other post-consumer low density polythene. Built the world's 1st-of-a-kind facility to recycle post-consumer LDPE and HDPE into making new products. The facility can process 20,000 tonnes per annum of post-consumer films and bags, equivalent to 2.5 billion HDPE shopping bags. Developed concept of "bag to bag" closed loop system. I bootstrapped first 2 years of business and R&D costs before raising £16 million over 4 rounds of venture capital from seed to series B, from Foresight and others. Interviewed by various national media eg Radio4, Financial Times, Times. Our pioneering facility was visited by 2 Government Ministers (Sir Ed Davey and Sir Michael Fallon).

Jul 2010 - Jul 2015

Ceo, Founder

Goldman Sachs backed waste-to-biofuel technology. I bootstrapped the first 2 years from personal funds to pioneer new technology before raising venture capital. Raised over £50m in 7 rounds from Goldman Sachs (Special Situations Group), Fidelity International, Impax Environmental, AstonHill and private investors : pre-seed, seed, series A, series B, bridge, series C, secondary, pre-IPO. We built the world’s 1st-of-a-kind commercial scale autoclave processing facility for household waste, capacity 125,000 tonnes pa. Won £60m local authority contract in Yorkshire. Purchased 2nd and 3rd sites in London and Cardiff for national roll-out. Built team of 100 people and created large patent portfolio. Raised further £10m in a pre-IPO round. Filed for IPO.Ernst & Young Entrepreneur of Year Finalist, Cleantech award winner 2010. British Venture Capital Association "leading VC backed entrepreneur" 2009.

Feb 2003 - Feb 2009

Vice President

Us

US growth equity firm with $1.3 billion under management, investing in business services that leverage technology. Mixture of buy-outs, growth capital and accelerated startups. Investing $25-75 million of equity per platform. Cornerstone LP backing from GTCR. I focused on digital tech agencies, technology consulting, human capital management and environmental tech consulting. Worked in London and Chicago on Arthur Andersen spin-out to create Huron Consulting Group (operations & technology consulting, IPO'd on NASDAQ for $400m, ticker HURN) and bolt-ons for Dutko Worldwide (leading Washington energy communications group, acquired by Grayling).

2001 - 2003 ~2 yrs

Investment Director

Tcvc

Top tier venture capital fund, Thompson Clive & Partners (TCVC) was one of Europe’s first VC partnerships, founded in 1977 and which invested 8 top quartile funds in information technology and life sciences over 30 years (e.g. Financial Objects, fintech listed on LSE, eg Quintiles market cap $30bn on NYSE: IQV ). TCVC had offices in London, Silicon Valley and Paris. Managing over $400 million across 3 private funds (TC Ventures, TC Growth, TC International) and one London Stock Exchange listed evergreen fund (TC Investments Plc). Investing at series A and B. Seconded to Silicon Valley office at 3000 Sand Hill Road, Menlo Park. Attended VC classes at Stanford GSB. Seconded to Galileo Partners in Paris, a tech VC firm founded in 1989 backed by Wendel Group. Investing Fund 3 of €250 million, the largest VC fund raised in Europe in 1999/2000, into software and internet at series A.I was Board Director of 5 software businesses, 3 of which I helped to IPO on the Paris Stock Exchange: Infotel, AlphaMos, Esker.Other investments included:• iProgress : e-learning tech, Paris. I led the series A round of €4m alongside Partech, AGF Private Equity/ Idinvest and Galileo Partners.• N-Soft : hardware + software platform for pre-paid telecom cards, Paris. I led the €3m series A round and €6m series B round, bringing in Galileo Partners and Edmond De Rothschild Private Equity.https://pitchbook.com/profiles/investor/52385-59

1997 - 2001 ~4 yrs

Private Equity Lawyer

London, Gb

Qualified into the leading Private Equity team in London advising CVC, Permira, Apax, Cinven, Candover, Bridgepoint, KKR et al. Transactions included:• LBO of Glass’s Guide (Duke Street Capital, £32million leveraged buyout from Thomson Financial)• LBO of Pubmaster (Prudential Ventures and Bridgepoint, £171million leveraged buyout from Brent Walker)• Permira/Schroder Venture’s first 1 €Billion PE fund• IPO of Ultra Electronics Plc (£160m exit for Phildrew Ventures/UBS and Montagu PE)• M&A:eg. acquisition of KingSoft GmbH by Electronic Arts.eg. acquisition of Costa Coffee from Sergio Costa by Whitbread.Two secondments, to CVC/ Citibank and Frankfurt office.

Mar 1994 - Jul 1997
4 education records

Duncan Grierson education

Mba

Insead

Master Of Laws - Llm, Law

University Of Cambridge

Ba / Ma, Law

University Of Cambridge

Education record

King Edward'S School, Birmingham
FAQ

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What company does Duncan Grierson work for?

Duncan Grierson works for Energetik Ventures.

What is Duncan Grierson's role at Energetik Ventures?

Duncan Grierson is listed as Managing Partner, Founder at Energetik Ventures.

What is Duncan Grierson's email address?

AeroLeads has found 1 work email signal at @energetik.vc for Duncan Grierson at Energetik Ventures.

Where is Duncan Grierson based?

Duncan Grierson is based in London, England, United Kingdom while working with Energetik Ventures.

What companies has Duncan Grierson worked for?

Duncan Grierson has worked for Energetik Ventures, Clim8 Ventures, 7Percent Ventures, Alantra, and Clim8 Invest.

How can I contact Duncan Grierson?

You can use AeroLeads to view verified contact signals for Duncan Grierson at Energetik Ventures, including work email, phone, and LinkedIn data when available.

What schools did Duncan Grierson attend?

Duncan Grierson holds Mba from Insead.

What skills is Duncan Grierson known for?

Duncan Grierson is listed with skills including Venture Capital, Entrepreneurship, Private Equity, Investments, Business Strategy, Management, Mergers And Acquisitions, and Strategy.

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