Who we are

Our team brings together real sector insight, decades of commercialisation experience, and deep investor and corporate networks.

Jonathan Bryers

Jonathan is the Managing Partner of 350 Investment Partners. He has over 25 years of experience in Listed Equities, Venture Capital, Venture building and Corporate Finance. Prior to founding 350IP, Jonathan worked at Carbon Trust Investments, Coller Capital and Flemings Investment Management. Jonathan has also been a Venture Partner for the IP Group Plc (IPO)  a £1bn+ listed investment group. Jonathan has helped to establish and grow a broad range of hardware and software companies from the early stages of development.

Successful exits included Ceres Power, CMR Fuel Cells, Heliswirl Technologies, Arieso, Marine Current Turbines, Inflowmatix and PlaceFirst. Jonathan has sat on the boards of 15 venture-backed businesses and has been a member of the BVCA’s Energy and Environment Committee.

Akta Raja

Akta is a qualified solicitor, having qualified and practiced at Slaughter and May and spent three years as an investment banker at HSBC, working on public and private M&A and capital markets. Akta is an experienced investor and entrepreneur, with more than 10 years of experience in the start-up/venture capital space. She founded a company named Enhabit, a company whose mission is to reduce carbon emissions arising out of the built environment. This was bought by Ansor Ventures where she split her time running Enhabit and investing. During her time at Ansor Ventures, she founded two further businesses in the Serviced Apartment industry, and sourced and executed several acquisitions for portfolio businesses.

Asutosh Nayak

Experienced project manager and business consultant in the energy sector. Mechanical Engineer by background at National Institute of Technology in India. Experience as a consultant with Intellecap working on a range of technology start-ups including Ground penetrating drones, solar roof top installations, and sealant technologies. Worked on Community Energy Scotland, CES Stornoway UK in 2018.

Katie Pattinson

Katie leads 350IP’s work on helping management teams optimise their pitching and communication techniques, customer sales presentations, and story-telling. She is also the Operations Manager for 350IP.

Coming from a professional acting background with over 20 years experience in theatre, film, TV and voiceover (West End theatre, Mission Impossible, Silent Witness, Google) Katie has helped hundreds of individuals with their communication skills, giving them confidence to speak with presence, whilst keeping their audience engaged. Clients include Sero Technologies, Denham Capital, Econic Technologies, Energy Systems Catapult, Imperial College, and Rothamsted Research.


Jayesh Mistry

Former Head of Investment and FP&A at Legal and General Affordable Homes, Former Associate Director, PwC Corporate Finance (Government and infrastructure). Jayesh has extensive experience with infrastructure (social infrastructure and low carbon energy) and real estate businesses related to finance raising and structuring, complex financial modelling an valuation analysis, investment case preparation, and commercial and contractual negotiations.

Hayley Collen

Hayley has worked with more than 400 companies across a broad range of industry sectors having managed private equity investments for 3i plc and Lloyds Bank. Since 2014, Hayley has focused her work on companies that make a positive social and/ or environmental impact.. Until recently Hayley was a member of the Awards & Delivery Committee at UnLtd (the Foundation for Social Entrepreneurs with £100m endowment).

Speak to our team


350 Investment Partners
46 Amenbury Lane, Harpenden, Hertfordshire, AL5 2DQ

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