Our Team

Meet the Ruminant BioTech team.

We have a highly experienced and proven management team and a highly skilled and diverse R&D team, with extensive experience in animal health, pharmaceuticals, controlled release delivery systems, innovation, science, and engineering.

Leadership Team

George Reeves

George has 30 years’ experience as a leader in agriculture, animal and human health, and FMCG. Formerly, he was the Marketing Manager for Farm Animal at Elanco & Bayer Animal Health, Bayer Consumer, Colgate & SC Johnson in NZ, Australia, and the UK.

John Fernandes

John has experience in strategy, finance, and continuous improvement. He has held roles at NZX, Goldman Sachs, JB Were, Mediaworks, Elevation Capital and Spark.

David Siegel, PhD
Head of Research & Development

David has more than 15 years of international R&D experience in agriculture, human and animal health. He formerly held various leadership roles at Bayer Animal Health and Boehringer Ingelheim in Germany and New Zealand with particular focus on drug discovery, product development and marketed product defence.

Product Development

David Colsell
Head Formulation Development

David has 30+ years of experience in Chemical Product Development and Innovation. He is committed to technological progress and thrive on the challenge on taking new ideas from the concept to commercialisation, for which he has proven track-record.

Bishal Adhikari, Phd
Senior Formulation Scientist

Bishal has over 10 years of experience in pharmaceutical research and product development.

Hossein Etemadi
Senior Formulation Scientist

Hossein has eight years of academic and industry experience with formulation and product development, research and design of novel drug delivery platforms based on hydrogel polysaccharides.

Stefanie Maslek, PhD
Senior Scientist Bolus Chemistry

Stefanie has 10+ years of experience in chemistry laboratories. As a Chemist she brings experience in the areas of process development, material functionalisation and laboratory H&S to the business. Her previous work experience ranges from start-up company to crown research institute, dealing with projects improving the circular economy and environment.

Wayne Hu
Laboratory Manager

Wayne has 16 years of experience in pharmaceutical GMP and R&D labs, with a focus on analytical chemistry. He is proficient in laboratory operations, including method development, quality control, regulatory compliance, and waste management.

Maria Mevicci Tenebroso
Senior Laboratory Technician

Maria holds a Bachelor of Science in Chemical Engineering from the Cebu Institute of Technology and has demonstrated expertise in process optimisation, materials science, and commercial upscaling experience. She joins our team after working as a research & development engineer at Atlas Fertilizer Corporation, a subsidiary of Sojitz Corp.

Jiaoying Wei
Laboratory Technician

Charlie Jackson
Laboratory Technician

Charlie holds a bachelor’s degree in science, majoring in Medicinal Chemistry, from the University of Canterbury and has experience working with cows and sheep, as he lives on a farm.

Jun Park
Laboratory Technician

Samuel van Dorp
Laboratory Technician

Samuel is a laboratot technician with an Engineering background and 5 years of experience in R&D.