The Global Team

At Dartmouth55 Advisory we understand emerging transformational technology companies and their founders are often seeking capital, policy support, new markets and M&A opportunities. Frequently, all at the same time. Our leadership team combines decades of experience in the media, broadcasting, PR, finance and technology with deep-seated knowledge of raising capital, building influential networks and successful M&A outcomes. We listen first. Develop key narrative strategies to support and drive rapid growth and then connect you to key media, investors, influencers and policy makers, building relationships that turbo charge your business.

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    Emily Sheffield

    FOUNDER and MANAGING PARTNER

    Emily Sheffield is the former Editor of the London Evening Standard newspaper, broadcaster, columnist, former Deputy Editor of British Vogue, and tech media founder. She brings VP level communications experience in the AI banking, defence, consumer and technology sectors, has collaborated with Uber, Scale AI, Netflix and Evident AI, and was a Senior Advisor on the 2024 UK General Election. Emily frequently appears on the BBC and radio and is on the board of the ICA. She regularly interviews CEOs and world leaders on global stages.

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    Jake Astor

    FOUNDING PARTNER

    Jake Astor is a private equity investor, entrepreneur, and advisor with over two decades of experience operating across global markets. He spent 15 years in Beijing and Hong Kong, leading investments and scaling businesses in technology and F&B. Today, he is a Partner at boutique investment bank J. Goodwin & Co, focusing on technology M&A and growth-stage capital raising. He has an extensive network in the Middle East and  holds a BA (Hons) from the University of Oxford and MBA from The Wharton School.

  • Lauren Estes

    SENIOR PARTNER, US

    Lauren Estes is a strategic communications leader for D55 based in Austin, where she also runs her own firm Outlier PR. She has been shaping the narratives of global tech companies for fifteen years. Previously, Lauren co-founded Moxie Communications, one of the most influential technology PR firms in the US, with clients and offices across New York, San Francisco, and Los Angeles. Her work has positioned clients at the centre of national conversations in The Wall Street Journal, The New York Times, The Washington Post, Bloomberg, Fortune, and The Hill.

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    Nathan Richardson

    SENIOR ADVISOR

    Nathan Richardson is an executive leader who has shaped some of the most recognised online fintech platforms. He grew Yahoo! Finance to a global market leader and led TradingView Inc. through a high-profile growth and successful M&A outcome. An American now based in London, he also led the sale of ContentNext to the Guardian Media Group and has a network that spans from San Francisco, to New York and the UK. Nathan serves as a board member to Grindr; Partner at Joffre Capital and Board Observer at Investing.com