ADEM - Key Persons


Alexandra Calle

Dr. Calle graduated with a BS in Biology from the Universidad del Valle. She has a Masters Degree in Food Science with an emphasis in Food Microbiology from the University of Nebraska-Lincoln and a Ph.D. in Animal Science with an emphasis in Food Microbiology from the Texas Tech University. Dr. Calle has over 15 years of experience in food safety activities, implementation and verification of HACCP and GMP's plans in food processing plants and dairy products' packaging manufacturing facilities in Colombia, Panama, Nicaragua and Mexico. She also participated in the USAID MIDAS program in Colombia as a leader in food safety component for the dairy sector. Other professional experience also includes research on intervention measures for reducing food borne pathogens such as Salmonella spp., E. coli, Listeria monocytogens and Clostridium perfringens, and methods for detecting food pathogens..

Gabriel E. Pascual - Founder

Job Titles:
  • Founding Director
Advisor and Consultant in the Dairy and Dairy Alternatives UHT/Aseptic beverages and Processed foods industries. An Industrial Engineer and International Business Master from the University of Miami with certificates in Management and M&A from Harvard and Stanford universities respectively. Has Developed dairy processing facilities, designed dairy sector diagnostics and implemented strategic programs for government agencies and multinational companies in over a dozen nations. As Vice-President of Pascual Dairy Inc., (the US affiliate of Grupo Leche Pascual of Spain) he was in charge of compliance of US-FDA regulations and of market development in the US and in Latin America. He is also an accredited FDA-IMS auditor and certifier and proven educator in multiple areas of the food sector and international trade. Thru his professional career has effectively established and managed numerous small and medium enterprises (SME's) throughout Europe, the US and the Americas in the areas of shelf stable (UHT/Aseptic) dairy and plant-based beverages, commercial distribution and not for profit industry associations. His continuous entrepreneurial experience of more than 25 years in international trade and private sector development in over 40 countries has made him a proven multinational value chain advisor and in start-up ventures, mergers and acquisitions.

Goran Janjic

Job Titles:
  • Regional Advisor

Leighton Ashley - Founder

Job Titles:
  • Founding Director
  • Marketing and Trade Development Specialist
A highly skilled marketing and trade development specialist with over 30 years of marketing management experience in a range of industries including fresh produce, processed foods, frozen foods, specialty coffee, handcraft, publishing, apparel and marketing communications. Having extensive business experience and expertise internationally in developed as well as developing environments both from a management and a consulting perspective, Mr. Ashley successfully executed export market development projects to benefit small, medium sized and large enterprises on behalf of governments and international development agencies. Mr. Ashley is Marketing & Management Consultant with ample experience in execution of market research and analysis. He is successful in planning and execution of international trade missions, in International trade show participation and provides business development services to companies seeking to build a commercial presence in the North American market.

Natalia Pascual

Job Titles:
  • Chemical Engineer
Natalia is a Chemical Engineer graduated from Stanford University whom also graduated No. 2 in the state of Florida from the Marine and Atmospheric Science and Technology (MAST) Preparatory Academy of Miami, Florida. During her career, she has assisted in ongoing research of the physical properties of E.Coli biofilms for the Fuller Research Group and in collaboration with the Cegelski Research Group at Stanford University, as well as in research on the effect of global warming on cloud formation in the Namibian region for the Rosenstiel School of Marine and Atmospheric Science at the University of Miami. She has experience with the use of a rheometer, MatLab, performing data analysis with Excel, and has assisted FDA inspector in various IMS - PMO audits as shadow auditor for dairy processing plants and in single service container manufacturing facilities in France and Spain. As an intern at the Three Trees Almond Beverage Co. she performed product safety analysis and FDA regulations compliance activities. As a student at Stanford University, she served as a counselor and health advisor for the largest co-ed freshman dorm assisting with dorm programming, crisis-management, and community building. Other administrative tasks at Stanford University include customer service, event planning, interview scheduling for students and employers at Stanford's Career Development Center, as well as managing students' career accounts.

Stephen Spinak

Aseptic processing and packaging expert, a thermal process engineer. He received his B.S. and M.S. degrees in Food Science from the University of Maryland. He worked in the Center for Food Safety and Applied Nutrition of the Food and Drug Administration (FDA) performing functions, among others, of project manager for FDA's International Cannery Inspection Program and for Filing and Evaluation of Thermal Processes for Acidified and Low-Acid Canned Foods (LACF) where he reviewed new preservation technologies utilized by the food industry including aseptic processing and packaging and extension of shelf-life of refrigerated packaged foods. He participated in the development of FDA's Basic Canning Course, Advanced Canning Course and Aseptic Processing and Packaging Course during his time with FDA. Currently, he assists multiple processing plants worldwide and performs plant audits and training courses for the canned food industry including assistance on thermal processes filing with FDA. At USDA, he served as the National Field Coordinator for its HACCP development project. He has taught Better Process Control Schools various US universities including LSU, NC State and Cornell. Mr. Spinak has also participated as an official of the U.S. Delegation to the Codex Committee on Food Hygiene and was the chairman of the Codex Aseptic Processing and Packaging Work Group.