Meet our Management Team

Gareth Sheridan

Founder and CEO

Gareth Sheridan is an award winning entrepreneur, businessman and founder of Nutriband inc.  Mr. Sheridan currently sits as CEO of Nutriband Inc.


Mr. Sheridan was Ireland’s ‘Young Entrepreneur of the Year’ in 2014 for establishing Nutriband Ltd. And with it Nutriband was awarded Ireland’s ‘Best New Product 2014’.  Mr. Sheridan has further business awards from S. Dublin’s Best Young Entrepreneur and S. Dublin’s Best Startup Company.


Mr. Sheridan has also worked as a Business Mentor with 100 Minds, a social enterprise founded in 2013, that brings together some of Ireland’s top college students and connects them with one cause to achieve large charitable goals in a short space of time.


Mr. Sheridan is also a past Nissan Generation Next Ambassador, receiving the acknowledgement in 2015 by Nissan Ireland as one of Ireland’s future generational leaders.


Mr. Sheridan received a B.Sc. in Business and Management from Dublin Institute of Technology in 2012. Where he concentrated on international economics, venture creation and entrepreneurship.

Sean Gallagher


Sean Gallagher is an experienced businssman, an inspiring speaker & a highly regarded business writer. He also stood, as an Independent Candidate, and was runner up, in the 2011 Irish Presidential Election.  Sean’s notable business ventures include Co Founding and serving as CEO of Clyde Real Estate, Pharmaceutical Directorships and co-founding Ireland’s largest home technology company, Smarthomes.  Sean has also served as a investor in popular TV show, Dragon’s Den which is Ireland and UK’s version of popular US TV show Shark tank.


Sean qualified with an MBA from the University of Ulster and previously worked with one of Ireland’s Enterprise Agencies and has, over the past 20 years, trained and mentored hundreds of emerging entrepreneurs. He has also served on a number of Irish State Boards including the National Training and Employment Agency (FAS), the North South Trade Body (InterTrade Ireland) and was Chair of the State owned Drogheda Port Company.

Serguei Melnik

Chief Financial Officer

Mr. Melnik has been involved in general business consulting for companies in the U.S. financial markets and setting up legal and financial framework for operations of foreign companies in the U.S.


Mr. Melnik advised UNR Holdings, Inc. with regard to the initiation of the trading of its stock in the over-the-counter markets in the U.S., and has provided general advice with respect to the U.S. financial markets for companies located in the U.S. and abroad.  From February 2003 to May 2005 he was the Chief Operations Officer and a Board member of Asconi Corporation, Winter Park, Florida, with regard to restructuring the company and listing it on the American Stock Exchange.


Mr. Melnik from June 1995 to December 1996 was a lawyer in the Department of Foreign Affairs, JSC Bank “Inteprinzbanca,”, Chisinau, Moldova, and prior thereto practiced law in Moldova in various positions. Mr. Melnik is fluent in Russian, Romanian, English and Spanish.

Ray Kalmar

Chief Innovation Officer

Ray Kalmar is the Chief Innovation Officer of Nutriband Inc. and Global Head of Pharmaceutical Development and Bio-Medicines. Before he joined Nutriband in April 2017, he had most recently served as Founder and CEO of Advanced Health Brands Corporation.


Ray served in the United States Air Force for 12 Years, 8 years in Air Force Special Ops and 4 years as a combat medic, completing two tours in Iraq during his service. He stays active in the veteran community by volunteering with Team Red, White and Blue and Team Rubicon.


Ray worked at Schering-Plough and Merck from 1999 to 2009 in sales and marketing roles, and he later held a series of increasingly responsible roles at Merck, Harvard Drug and Letco Medical. He has over 18 years’ experience in pharmaceuticals, bulk chemicals and pharmacogenetics. His primary focuses have been cardiovascular disease, pulmonary disease and infectious disease.

Paul Murphy

Chief Operating Officer

Paul Murphy is the Chief Operations Officer of Nutriband Inc. Before joining Nutriband in April 2017, Paul served as Founder and COO of Advanced Health Brands Corporation.


Paul brings 20 years of sales and management experience to Nutriband Inc.  Paul has ten years as an executive with a bulk chemical provider for the Midwest consisting of Michigan, Indiana, Ohio, Illinois, Wisconsin, Tennessee and Kentucky. Paul specialized in CAD cleanroom and sterile lab design for US pharmacy compounding market for USP 795, USP 797 and USP 800 regulations. Paul consulted within the emerging Outsourcing Facility (503B) market with cGMP requirements for manufacturing. Mr. Murphy received his Bachelor of Applied Arts from Central Michigan University.

Paddy Ryan

Chief Technical Officer

Paddy Ryan joined the Nutriband team in February 2018. Coming from an Engineering background, and having worked in the tech industry for 8 years, Paddy brings a fresh perspective and understanding to our team.


As CTO, Paddy is responsible for Nutriband’s technology strategy and plays a key role in leading new initiatives.