Our Firm


GSM Co-Investors and Nutrition Advisors LLC (“GSM”) was founded by Greg Horn, Steve Allen and Martin Murrer to provide integrated strategic, operational and financial advisory services to high-growth nutrition and health focused food, beverage and services companies or their acquirers.

GSM creates value for our clients in the business of health and nutrition, offering specialized advice, transaction assistance and co-investment distinguished by:

  • •   Unmatched industry knowledge
  • •   A long term commitment to the category
  • •   Experience with the full spectrum of companies, from venture to multinationals
  • •   Substantial operating experience combined with significant transactional experience
  • •   Strong point of view on dynamics shaping the industry
  • •   Deep personal relationships across the industry
  • •   Early access to opportunities, through networks
  • •   Significant track record of success

Selected Deals

Attune Foods

Private Placement
Founder & Co-Investor - 2007



General Nutrition Companies sale to Royal Numico
$2.6 Billion
Co-Investor - 1999

Garden of Life

Garden of Life sale to Atrium Innovations
$40 Million
Sellside Advisor and Principal - 2009

Integrity Nutraceuticals International

HIG Acquisition of Integrity Nutraceuticals
Buyside Advisor - 2013