Chief Executive Officer / Chairman
- General Nutrition Centers 1991 to 2002
The leading specialty retailer of health and nutrition products globally. Greg was instrumental in building the GNC brand and store expansion strategy through franchising and ultimately served as CEO. GNC adopted a strategic shift to Live Well and added $1.1 billion in sales during Greg’s tenure.
- Royal Numico 1999 to 2002
A $4.5bn global nutrition company focused on infant nutrition, clinical nutrition, and nutrition supplements. Greg served as an Executive Board member and Chairman of the executive committee for the $2.5bn U.S. nutrition business.
- STRONG Research Corporation 2002 to 2003
A science-based sports nutrition company, co-founded with 5 of the leading scientists in the field of nutrition and sports performance. Greg was the CEO, and joined the PacificHealth Labs board following its acquisition of STRONG research.
- Brand New Brands 2002 to 2005
An innovative functional food and beverage development company with a simple mission: bringing clinical proof to the functional foods category in great tasting and strongly branded products. Greg co-founded Brand New Brands with food innovator Pete Mattson, and served as its Chairman. The company was capitalized by Great Spirit Ventures and Burrill & Company.
- Garden of Life 2005 to 2007
A leading whole food nutrition company empowering extraordinary health. Greg served as CEO during a turnaround period for the company, recruiting new management, revitalizing the company’s brands, launching new organic and live food products, and returning the company to financial health. Garden of Life became an early leader in sustainable management, running on 100% wind power and building sustainability into its business practices.
- Specialty Nutrition Group, Inc. 2002 to present
A leading nutrition technology commercialization firm. SNG has invented and commercialized the best-selling functional foods, beverages and ingredients in the natural products industry. Nutrition products commercialized by SNG principals sold approximately $1.1 billion last year.
- HALO, Purely for Pets 2007 to present
A leading brand of premium, human-grade pet food owned by Pegasus with Ellen DeGeneres. The HALO brand has been rebranded and expanded to include a full range of natural pet care.
Founder / Co-Founder
- Celsius 2002 to 2008
The world’s first calorie-burning soda, launched with clinical studies showing efficacy. Celsius was created by Specialty Nutrition Group, and licensed for commercialization to Celsius, Inc., which purchased the brand as part of its public offering. Greg served as a founding board member.
- Aircraft Intelligence 2001 to 2003
A designer of advanced high-functionality aircraft interiors. Greg was a founding board member, along with leading materials scientists and environmental architects.
- Purpose Nutrition, LLC 2007 to present
A synergistic nutrition program developed in collaboration with Dr. Patrick Gentempo. Purpose supplements are science-based and all natural. Greg is a founding board member and principal.
- JustDoOne.org 2007 to present
A leading community site for sharing ideas on living a greener life. Greg created Just Do One with partner Tom Foerstel to provide an engaging community forum for sharing ideas and solutions on living a more sustainably.
- Nutrition Capital Network 2007 to present
The only organization dedicated to connecting innovative health and nutrition companies with the capital sources they need to fuel growth. Greg is a co-founder and principal.
- WorldOfGreen.com 2010 to present
The leading online destination for inspired green living. Founded by Roberta Modena and Greg Horn, World of Green redefines the online shopping experience, providing engaging and useful information on living green and bringing it all under one virtual roof with a fresh and inspired merchandise assortment.
Board of Directors or Advisors
- Unicity Network 1998 to 2002
A leading brand of nutrition products sold globally through a network of distributors. Greg executed the acquisition and served as a director.
- Burrill & Company 2002 to 2005
A leading private equity and venture capital firm focused on biotechnology. Greg was an advisor to the Nutraceuticals fund, and Burrill & Company provided the major funding for Brand New Brands, Inc.
- Pacific Health Labs 2003 to 2005
A science-based sports nutrition company. Greg served as a board member following the purchase of STRONG Research Corporation by PacificHealth Labs.
- Efficas 2003 to 2005
A science-based nutrition ingredient commercialization company. Greg served as a founding board member.
- Lyric Capital 2002 to 2007
A boutique venture capital firm based in West Palm Beach, Florida. Greg was a Partner, focused on sustainable business.
- Nutrition Business Journal 2003 to present
The journal of record for the nutrition industry, providing research, business intelligence, and trend analysis for all channels of the natural and organic, functional, and medical food and beverage, supplements, sports nutrition, and nutricosmetic categories. Greg serves on the editorial advisory board.
- UFood Grille 2005 to 2008
A restaurant franchise company offering healthy and fast food choices. Greg was a board member.
- Merisant 2008 to 2010
A leading maker of tabletop sweeteners. Greg joined the Merisant board specifically to work on the launch of PureVia, an all-natural, zero-calorie sweetener.
- National Strategies, Inc. 2009 to present
A leading strategy and public affairs consulting firm, focused on building profitable business with public entities. Greg serves as a board member.
- Avera Motors 2010 to present
An innovative automobile designer and manufacturer of a fun-to-drive, 65+ mpg, very low emissions car that runs on the existing fuel infrastructure. Greg serves as an advisor.
Greg is a visionary, pioneer, passionate leader & inspiring catalyst in affecting world change.
Marci Zaroff, Founder, Under the Canopy; Founder and CEO, FASE