Our Consultants

Adrien Guimard

Senior Recruitment Consultant

Adrien is a Recruitment Consultant working for CK QLS, with the primary focus of working with candidates searching for roles within Switzerland.

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Caroline Holzle


Caroline is a Director of CK QLS and is a specialist in recruitment, assessment and team development.

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Jonathan Hart-Smith

Operations Director

Jonathan Hart-Smith is the Operations Director at CK QLS having worked in the pharmaceutical industry and in the life science and recruitment sector for nearly 20 years.

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Walter Holzle

Managing Director

Walter has extensive experience and knowledge of the life science industry, and whilst he is the MD currently of CK QLS, he has spent much of his career working within pharmaceutical and life science organisations.

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Jenny Erdin

Account Manager

Jenny is the Account Manager and she is responsible for payroll, accounts, contracts and administrative processes in the field of cross-border employment services in Switzerland

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