Management Team

Louise Madden – Chief Executive Officer.

Louise Madden

Chief Executive Officer

Louise joined H.E.L Group from Applied Photophysics where she was CEO, having also held positions as Chief Operating Officer and Commercial Director. Her experience within the analytical instruments field spans more than a decade. Her prior roles include Global Service Manager at Biolin Scientific AB, and Finance Director at Farfield Group Limited…

Paul-Sturgeon

Paul Sturgeon

Chief Finance Officer

Paul has gained wide business experience after starting his career as a chartered accountant with Price Waterhouse. Since then has held CFO positions at organizations ranging from pre-revenue start-ups to established, multinational private equity-backed businesses…..

Alan Lockley

Alan Lockley

Chief Operating Officer

Alan joined H.E.L Group after a 14-year tenure at Anatune Ltd, where he was Managing Director, and before that, he did roles such as Chief Operating Officer and Service Manager. Alan holds a BSc in Biochemistry, a BSc in Business and Management, a PGDip in Toxicology, an MSc in Toxicology, and an MBA in Business Administration.

Mark Appleton Ph.D. – Director of Product Development Mark joined H.E.L Group in 1991 after completing a Ph.D. at Imperial College London.  In his current role, Mark leads the development team and oversees all aspects of product design and development with strong links into the production and service teams. During his 29 year tenure at H.E.L Group, Mark has been instrumental in the development of almost all of the Company’s products and services, focusing much of his efforts on converting the needs of customers into a pipeline of commercial products.

Mark Appleton Ph.D.

Technical Director

Mark joined H.E.L Group in 1991 after completing a Ph.D. at Imperial College London. In his current role, Mark drives the innovation and product concept pipeline, which feeds into new product development and launch process. With over 30 years at H.E.L Group, Mark has been instrumental in developing almost all of the Company’s products and services…

Sarennah Longworth-Cook

Sarennah Longworth-Cook Ph.D.

Director of People

Sarennah Longworth-Cook (Ph.D.) is a CIPD-qualified L&D practitioner with a scientific background spanning particle characterization, materials science, and astrophysics. After joining H.E.L as Training Manager in 2021, in 2023, her role expanded to Director of People.

Victoria Ordsmith Headshot

Victoria Ordsmith

Director of Marketing

Victoria joined H.E.L Group from Microsaic Systems plc, where she was the Director of Business Development and Marketing. Here she helped grow the company’s global profile, especially in bioprocessing…

Roy Eggleston – Global Quality Manager Roy started his career in process optimization and scale-up 30 years ago as a Senior Development Chemist at Thermo Fisher Scientific. He has spent over 20 years as an integral part of the H.E.L team, overseeing the manufacturing process for H.E.L Group’s wide range of laboratory instruments and tools.  With over 10 years’ experience as Production Manager, Roy has recently taken on the leadership of the Company’s Global Quality function, with a clear focus on continuous improvement of H.E.L’s products and services.

Roy Eggleston

Global Quality Manager

Roy started his career in process optimization and scale-up 30 years ago as a Senior Development Chemist at Thermo Fisher Scientific. He has spent over 20 years as an integral part of the H.E.L team, overseeing the manufacturing process for H.E.L Group’s wide range of laboratory instruments and tools…..

Hasan Hallaq Headshot

Hasan Hallaq

European Sales Director

Hasan holds a Bachelor’s degree in Pharmaceutical science, a Masters’s in Biological science, and a Ph.D. in Medicinal Chemistry. He has 10 years of experience in field sales and 10 years in laboratory research…

Eric winter

Eric Winter

Vice President Americas Commercial Operations

Based in Austin, Texas, Eric joined H.E.L Group with over 30 years of commercial and leadership experience within the life science and scientific instrumentation industry. After completing his BSc in Analytical Chemistry Eric went on to work at companies such as…

Mert Sahin

Oh Chee Keat (Brice Oh)

Sales Director, Asia-Pacific

Based in Singapore, Brice joins H.E.L with over 12 years of product management and business development experience in the Asian market. At Fedegari Asia Laboratory Division, he successfully oversaw the company’s breakthrough sale and ongoing growth in the Taiwanese market while driving an increase in distributor sales in India by 500%….

Allen Wang

Allen Wang

General Manager, Greater China

Allen started H.E.L as Sales and Application Manager before being promoted to General Manager. Prior to joining H.E.L, Allen worked at a variety of international analytical and imaging instrument companies, including Malvern Pananalytical, Bruker Optics, Nanophoton, and Techcom, where he built technical, sales, and service skills in the research…

Mert Sahin

Rajeev Kumria

General Manager, India

Rajeev joins H.E.L with 25 years of experience in management, business development, strategy, and product consultancy across medical device and diagnostics sectors, specifically in South Asia in companies including Getinge Medical India, Thermo Fisher Scientific, and Bharat Serums…