Leadership Team

Our Leaders


John Hailstone:

Chairman, Compello Services Group

John has spent 32 years in the Recruitment Industry in a number of consulting and directorship roles and is the majority owner of Compello Services Group.

John is responsible for the appointment of the board and working with it on strategic and business planning matters. When not acting as an adviser and sounding board he spends his time supporting other group firms.

John has an eye for detail and is very passionate about great service and collaborative working both in and outside of the group.

Stuart Gill


Stuart is an experienced recruitment professional of over 8 years' specialist sector experience. With a proven track record across the whole spectrum of Life Sciences, he is known as one of the industry's leading figures. As a consultant, Stuart has covered key areas including clinical operations, marketing and business development. As a leader, he also covers medical device, regulatory affairs and market access.

Ensuring that employees reach their true potential is one of Stuart's key objectives and he is known for being a strong, competent and ethical leader.

Stuart's primary focus is to develop the European business for TGI Life Sciences. Based in London, he travels extensively throughout Europe and has excellent long-term relationships within the industry.


Lesley Taylor-Philip

Finance Director

Lesley studied applied mathematics gaining a first class degree before embarking on a successful career in accountancy. She is responsible for overseeing all matters relating to finance, supporting for the board on business planning, financial forecasting and management.

She provided financial advice and supported the board in the acquisitions of Tudor Personnel and Jobact Petrochem.

She has been with the Group for over 10 years and has additional responsibility as Group Finance Director and shareholder of Compello Services Group.

Karl Paddley

Managing Consultant

Karl is a highly experienced Life Sciences recruitment professional and boasts a successful track record of recruiting senior professionals across the life sciences sector over the past 15 years. A particular emphasis within the Regulatory Affairs, Clinical Development and Clinical Operations markets. Karl has one of the largest specialist networks across the industry and currently partners with some of the most progressive pharmaceutical, biotechnology, medical device and life science organisations on a global level. This vast network of candidates and decision makers allows him to deliver impeccable service levels to his clients.

Karl is a perfect example of the TGI values, being known for his attention to detail, with an honest and consultative approach to his clients and candidates alike. His successful career has been based on forging strong, long term relationships both with internal and external stakeholders. Karl’s consistent approach and willingness to help others across the business makes him a highly successful and valued leader within the TGI Life Sciences business.


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