The Team

Beyond the senior management, the GAIA team includes dedicated and multiculturally experienced professionals from backgrounds such as law, journalism, management, information technology, medicine, and others.

Mario Weiss, CEO and Founder

Mario has a proven track record in the healthcare sector. With 25 years of experience in developing and implementing innovations for health insurances, physicians’ associations and innovative pharmaceutical and medical device companies, Mario brings profound expertise and leadership to the team. Mario holds a medical doctorate from the University of Hamburg and an MBA from Erasmus University in Rotterdam, Netherlands.

Michael Nick, Business Development

With over 20 years of expertise in various C-level positions in the healthcare and communication industry, Michael is ideally qualified to lead our business development. As former marketing manager for Merz Pharmaceuticals, M&A specialist at Merck Darmstadt as well as former CEO at Senator Global, Michael’s global experience in both complex and innovative business environments gives him the right set of skills to leverage our international business. Michael holds an Economics degree from The University of Frankfurt as well as a MBI (Master of Business Informatics) from Erasmus University in Rotterdam, the Netherlands.

Matthias Zenker, Project Development

Matthias holds a medical doctorate degree from the University of Ulm. He has gained both inpatient and outpatient medical expertise in various healthcare systems around the world. He joined GAIA 17 years ago and brings in profound experience in developing, marketing and managing national and global patient-centred public health and mHealth solutions.

Bernhard Wellhöfer, CTO

Bernhard joined GAIA in 2005, holds a PhD in computer science from the University of Osnabrück and leads our team of technology experts and software engineers. Previously, Bernhard was responsible for Yahoo’s mobile technology platform. He brings profound knowledge of modern UI-tech, big data management and data security to the team.

Björn Meyer, Science and Development

Björn is a clinical psychologist with over 20 years of experience in research on psychopathology, personality, and psychotherapy process and outcome. After studying in the US and earning a PhD from the University of Miami, he was engaged in research, teaching, and clinical work at universities and university clinics in Pittsburgh, Baton Rouge (LSU), London and Hamburg. As an experienced and well-published researcher, he leads the development and scientific evaluation of our mHealth interventions.

Gitta Jacob, Clinical Programmes

Gitta is clinical psychologist and CBT therapist and supervisor with a PhD from the University of Freiburg. Before joining GAIA she worked as a clinician and research fellow at the University Medical Center and the University of Freiburg. Her research interests are both in the more basic mechanisms of psychopathology and the development and evaluation of innovative treatments in severe mental disorders. She has received funding for her research from several national and international funding organizations and published more than 100 clinical and research papers, chapters and books Gitta develops and leads our clinical programmes aiming at offering modern, integrated and cost-effective treatment for people with different mental disorders.

Oliver Bültmann, Medical Lead

Oliver has a degree in Medicine from Freie Universität of Berlin (FU Berlin) and worked several years in surgery. He joined GAIA 20 years ago and is experienced in developing public health, e/mHealth and innovative knowledge management solutions such as ontologies and collaborative knowledge platforms.

Success in partnership.

GAIA is more than the people who work together in an office. Strong affiliations and long lasting co-operations with leading universities and researchers, business partners as well as authorities around the globe make us proud and drive us to never stop inventing innovations for a better health.

Among others these are: USA: University of Texas at Austin, Cedars Sinai Medical Center Los Angeles, University of Missouri - Kansas City, Penn State University, University of Massachusetts Medical School; United Kingdom: King’s College London (KCL), Imperial College, City University of London, University of Essex, University of Cambridge; Sweden: Linköping University, Karolinska Institute; Italy: University Pisa, University Milan, University Torino; Spain: Universidad Politechnica de Madrid; Germany: Charité Universitätsmedizin Berlin, University Medical Center Hamburg-Eppendorf, University of Lübeck, University Medical Center Göttingen, University of Bielefeld, University of Trier, University of Tübingen, Ruhr-University Bochum; Switzerland: University of Bern, University of Zurich; Netherlands: Vrije Universiteit Amsterdam, University of Maastricht; Portugal: Universidade de Lisboa.