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The Executive Management

Kjell-Erik Nordby, Chief Executive Officer

Mr. Nordby has been CEO of Weifa since February 2009, and as of June 2015 CEO of Vistin Pharma. He was Vice President Business Development at Photocure, a Norwegian biotech company. Previous experience includes several years at Alpharma, a leading international generic pharmaceutical company listed on NYSE. He held several top management positions in the company including Head of S&M North Europe Region and as Senior Director API Business Development. Mr. Nordby holds a Master's degree in Pharmacy and Master's degree in Business Administration.


Alexander Karlsen, Chief Financial Officer

Mr. Karlsen joined Vistin Pharma as CFO 2nd March 2020. He has previously held positions as Country Finance Manager in GE Healthcare Norway since 2017, and prior to that he worked 5 years as Finance Manager Global Supply Chain in GE Healthcare AS. Mr. Karlsen has several years of experience from managerial finance positions in the pharmaceutical industry.  He holds a MSc in Business and Economics from the  BI Norwegian Business School is Norway.


Magnus Wilhelm Tolleshaug, Commercial Director

Mr. Tolleshaug joined Vistin Pharma 2nd March 2020. He comes from the position as Senior Director, Head of Global Launch Excellence & Product Lifecycle Management in Takeda Pharmaceuticals. Mr. Tolleshaug has 20 years of experience from the pharmaceutical industry of which 15 years of experience from international managerial positions in R&D and Global Manufacturing & Supply Chain Operations. He holds a MSc in Chemistry & Chemical Technology from The Norwegian University of Science and Technology (NTNU) as well as a Diploma in Innovation, Intrapreneurship & Business Transformation.

Vegard Heggem, Vice President Operations

Mr. Heggem joined Weifa in May 2010 as Director of Synthesis Production and Site Manager of the Fikkjebakke plant, and continued in the same position in Vistin Pharma from June 2015. Mr. Heggem has extensive experience from different managerial positions within operations, engineering and investment projects. Mr. Heggem holds a Master’s degree in Chemical Engineering from The Norwegian University of Science and Technology (NTNU) in Trondheim.


Hilde Merete Hagen, Vice President Quality & Regulatory Affairs

Ms Hagen joined Weifa/Vistin Pharma in March 2015 and has held the position as VP Quality & Regulatory affairs since then, with a short break of 4 months working on a consultancy basis on specific projects. She came from the position as VP Quality & Regulatory Affairs in Pronova BioPharma/BASF, where she has held different managerial positions within QC, QA, R&D and project management  during her 19 years with the company.  Ms Hagen holds a Master of Science degree from the University of Oslo and a Master of Management degree from BI Norwegian Business School.


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Vistin Pharma AS
Østensjøveien 27
P.O. Box 6735 Etterstad
NO-0609 Oslo, Norway
Tel: +47 35 98 42 00
VAT No: NO813120232MVA