Management Team




Klaus Juel Olsen

MSc PhD CEO  Head of Statistics


Klaus has an MSC and PhD in statistics from the Technical University of Denmark (1988). After 5 years as a biostatistician within agricultural research, Klaus joined the pharmaceutical industry in 1994. Until 1999 Klaus worked in different positions in Novo Nordisk, mainly as a project statistician in clinical development but also within the Enzyme Business division. Following this, Klaus was for 2 years the head of Biometrics in Nycomed covering statistics, data management and medical writing. Ultimo 2001 Klaus founded Larix and has since then been the CEO and head of statistics. From 2005 until 2011 Klaus was President of the Danish Society of Biopharmaceutical Statistics.


Email: kjo ved larixcro prik com

Mob: +45 6161 8011 



Mette Ravn  

Vice President, 

Data Management, IT & System Validation 


Mette has a diploma in B Comm. Informatics from Copenhagen Business College (1990) and has futhermore taken classes in data science from Aalborg University. Mette is certified Lean and Leadership Coach. From 1988 Mette joined the pharma & biotech industry and she has an extensive experience within clinical data management, project management and system validation. Mette has been a Chairman of the Danish Association of Data Managers for 10 years, has previously worked in both CROs and pharma industry and has held several leading positions. Mette joined Larix 2012.


Email: mra ved larixcro prik com

Mob: +45 3012 8426



Dorthe Grønnegaard Mejer

MSc Pharm,

Vice President, Clinical Development


Dorthe has an MSc in pharmacy from the University of Copenhagen (2002). Dorthe has worked in the pharma and biotech industry, and has experience in a wide field of tasks in clinical development including trial management and medical writing which has given Dorthe a profound understanding of the various aspects in the drug development process. Dorthe has been a key contributor in building up the pharmacovigilance function in Larix. Dorthe joined Larix in 2010.


Email: dgm ved larixcro prik com

Mob: +45 6122 1795




Søren Nymand Lophaven


Vice President, Statistics & Programming


Søren has a MSc and PhD in statistics from the Technical University of Denmark (2004). From 2004 to 2015 Søren worked as a biostatistician in the medical device and pharmaceutical industry and obtained experience with clinical development within areas such as major deressive disorders, stroke, pain management, osteoporosis, dermatology and chronic obstructive pulmonary disease. Before joining Larix in 2016, Søren worked as a reseacher within epidemiology at University of Copenhagen. He is an elected member of the International Statistical Institute (ISI) and has been a board member of the Danish Society of Biopharmaceutical Statistics from 2010 until 2015.


Email: snl ved larixcro prik com

Mob: +45 8177 1550