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.

  • A professional woman with black hair and blue eyes, wearing a gray plaid blazer, standing with arms crossed against a gray background.

    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 combines a deep understanding of the media world, with campaign expertise, executive board level roles and business acumen. She brings VP level communications experience in the AI banking, defence, consumer and technology sectors, collaborated with Uber, Scale AI, Netflix and Evident AI, and was a Senior Comms Advisor on the 2024 UK General Election. Emily frequently appears on the BBC and radio commentating on current affairs and sits on the board of the Institute of Contemporary Art.

  • A man with short blond hair wearing a black shirt standing outdoors with a blurred city skyline in the background.

    Nathan Richardson

    FOUNDING PARTNER

    Nathan Richardson is an executive leader with a career spanning global markets, emerging technologies, and brand transformation. He has shaped some of the most recognised online platforms — taking Yahoo! Finance to global market leader and leading travel media platform The Points Guy and TradingView Inc. through high-profile growth and successful M&A outcomes. 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 multiple private and public companies including Grindr, is a Partner at Joffre Capital and advisor and Board Observer at Investing.com

  • A man with light skin, light brown hair, and glasses wearing a dark navy sweater over a white shirt, looking at the camera with a neutral expression, against a plain white background.

    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 across consumer sectors at Cassia Investments, founding and scaling businesses in technology and F&B. Today, he is a Partner at J. Goodwin & Co, a boutique investment bank in London, where he focuses 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 an MBA from The Wharton School.

  • Lauren Estes

    SENIOR ADVISOR, DARTMOUTH55, US

    Lauren Wallack-Estes is a strategic communications leader and founder of Outlier Partners, an Austin based firm shaping the narratives of tech companies backed by Andreessen Horowitz, Kleiner Perkins, Lightspeed, and 8VC. She has two decades in advising founders and executives on high-stakes communications that drive investor confidence, regulatory positioning, and industry leadership. Previously, Lauren co-founded Moxie Communications, one of the most influential technology PR firms with clients 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. She also serves as Public Relations Advisor to Struck Capital, counselling high-growth portfolio companies on strategic positioning and market trust.

Contact us

Interested in working together? Tell us a little about what you need and we will be in touch within 24 hours.