Who We Are

We bring the power of insight to every
great professional decision.

GLG is the world’s insight network. Our clients rely on GLG’s global team to connect with powerful insight across fields from our network of 900,000+ experts (and the hundreds of new experts we recruit every day).

We serve thousands of the world’s best businesses, from Fortune 500 corporations to leading technology companies to professional services firms and financial institutions. We connect our clients to the world’s largest and most varied source of first-hand expertise, including executives, scientists, academics, former public-sector leaders, and the foremost subject matter specialists.

GLG’s industry-leading compliance framework allows clients to learn in a structured, auditable, and transparent way, consistent with their own internal compliance obligations and the highest professional ethical standards. Our compliance standards are a major competitive differentiator and key component of the company’s culture.

GLG Fact Sheet




GLG History


Leadership Team
Chief Executive Officer
Chief Marketing Officer
Chief Product Officer
Chief Human Resources Officer
General Counsel
Head of Solutions
Chief Communications Officer
Head of GLG Americas
Chief Financial Officer
Head of Corporate Development


  • Roger C. Freeman (Co-Chair)
  • Mark Gerson (Co-Founder)
  • John Goldsmith
  • Thomas D. Lehrman (Co-Founder)
  • Edward Nicoll
  • Gemma Postlethwaite
  • Thomas P. Salice (Co-Chair)
  • Ahmad A. Sheikh
  • Rob Stavis
  • Paul Todd (CEO)