Entrepreneurs in life science

Our story

Arex Advisor was founded in Stockholm in 2020 on the basis of over twenty years of experience in pharma and biotech entrepreneurship. This is our story.

The Arex journey

2002
Sofus Regulatory Affairs AB was founded by Linda and Staffan Thunell. Over time, Sofus grew to 60+ specialised regulatory, drug development, QA and HTA professionals – positioning Sofus as the most important pharma regulatory and medical affairs consultancy in the Nordic area with clients throughout Europe and overseas.

2005
Linda and Staffan Thunell founded Nevadapharma AB. Nevadapharma’s business concept was to acquire mature, speciality, Rx pharmaceuticals. Over the years, Nevadapharma owned a portfolio of seven specialty pharma products, mainly within neurology indications that were marketed in the Nordic and Baltic countries. 

2020
Arex Advisor AB was founded in Stockholm, Sweden, by Linda and Staffan Thunell, Lovisa Rosenquist and Erik Hedner. Arex is owned by our Founding Partners together with a group of senior employees. 

2025
Arex Advisor AG was founded in Basel, Switzerland by Anja Bührer together with the Founding Partners of Arex Advisor AB.

Today

Arex Advisor is a group of companies comprising 40 professionals with expertise in regulatory affairs, quality assurance, pharmacovigilance and market access. Our partnership program is part of Arex philosophy to build a purposeful organisation of committed experts. We work every day to make sure that working with us, and for us, is an extra rewarding experience.

Visit our Team page to meet our consultants, or have a look at Open positions to seek work with us.

For more of what we do on a daily basis, follow us on LinkedIn.

Arex Advisor team members celebrating together, embodying a company of 40 professionals in regulatory affairs, quality assurance, pharmacovigilance, and market access. Dedicated to ensuring a rewarding experience for all involved.

Arex in numbers

2020

Founded in Stockholm 2020. Read more about who we are.

40

A growing team of experts. Meet our people.

+100

Projects in the last year. Learn more about what we do.

19

Fluency in 19 languages.

+500

Over 500 hours/year of training and knowledge sharing.

Our purpose

We are committed, in heart and mind, to the development process leading to submission and successful commercialisation of new medicines – which ultimately improve the lives of patients.

Our mission

Everyday, we work to help leaders and companies in pharma and biotech realise projects and reach goals.

Staffan Thunell

Founding partner

BSc Economics and BA

Staffan has a long background in entrepreneurship within the life science industry. He has 20+ years experience from posit­ions as Founder, Chair­man, CEO and CFO within medical affairs consulting and small pharma. Previously Staffan worked in executive positions in big pharma and specialty pharma companies.