Executive Leadership

Stefan Weiskopf


Before joining Antelliq in 2016 as CEO, Stefan was Executive Vice President for Zoetis in Singapore and Regional President for their Asia Pacific business. A veterinarian by training, Stefan’s career in the animal health industry began in 1986 in Germany, where he also gained his business degree. Stefan’s early career included roles at Upjohn and Pharmacia, before holding various leadership positions in Pfizer Animal Health in Europe and from 2007, in Shanghai, China. A German citizen, Stefan lives with his wife in Europe.

Brian Bolton


Prior to becoming Antelliq COO in 2015, Brian served as President of Allflex North America since 2004. Previous positions also included EVP of Optibrand, a Biotech start up and VP of Marketing and International for ABS, a division of Genus PLC. This capped his ten-year career in the cattle Genetics industry that also saw him serve internationally for Sersia France. A graduate of Harper Adams in the UK, Brian managed farms for ten years in the UK, which included a genetics import and export business. A British and American citizen, he resides in the USA with his family, dog and two cats.

Hilton Hess

Before becoming Antelliq CFO in 2014, Hilton was part of the successful turnaround team at Rentokil Initial, as the Divisional CFO for Europe and ANZ. Prior to this, he spent 19 years at Unilever – starting in South Africa where he took on increasingly challenging and broader roles. These included working at their Corporate London office; being Commercial Director in China for five years and culminating as Financial Director for Unilever’s large Southern African business. A qualified accountant with an Honours degree in Commerce from Stellenbosch University, he describes himself as a South African ‘farm-boy’. Hilton lives in Surrey, UK with his wife, daughter, son and dog.

Executive Leadership Team

Antelliq’s Executive Leadership Team has a proud heritage in the industry. The team is led by the CEO and includes the CFO and COO, supported by the Regional Presidents, the Chief Technology Officer, the VP of Livestock Intelligence and the Head of Manufacturing and Supply Chain. With an average tenure of 16 years in the business and significantly longer in the industry, this team has developed a deep understanding of the challenges facing our sectors, coupled with enviable relationships with key industry participants.


Antelliq is majority controlled by funds advised by BC Partners, with significant minority interests held by PSP Investments and Pictet. Jean-Baptiste Wautier acts as Chairman of the Board. Jean-Baptiste is a Managing Partner and Chairman of the Investment Committee at BC Partners, a large international private equity firm with over $17bn assets under management. Throughout his career over the last 20 years, Jean-Baptiste has participated in and led private equity investments in several sectors including consumer, business services and healthcare.

Corporate Citizenship and Compliance

As a global corporate citizen, Antelliq subscribes to key regulatory and anti-competitive practices, including but not limited to the United States’ OFAC regulations, the UK’s Anti-Bribery legislation, and various other applicable corruption, “Modern Slavery” and anti-competitive legislation and practices. The CEO sponsors these global practices with implementation through our Executive Leadership Team. Antelliq’s independent Audit Committee reviews Corporate compliance and reports to the Board of Directors.