Oliver Marseille, Ph.D.
Dr. Marseille joined CircuLite in 2004 as Managing Director of CircuLite GmbH and has over 17
years experience in the development of circulatory assist devices. Prior to joining CircuLite, in the
foundation of which Dr. Marseille was significantly involved, he had been head of research and
development at Medos AG, a company specialized in the development, manufacturing and
distribution of components for circulatory support. In this position Dr. Marseille had been in charge
of numerous developments in the field of blood pumps and components for cardiopulmonary
bypass, including devices used in paediatric cardiac surgery. CircuLite blood-pumps technology is
based on Dr. Marseille’s internationally acknowledged scientific work. Dr. Marseille holds a degree
in Mechanical Engineering and has completed his Ph.D. thesis on the development of rotary blood
pumps at Helmholtz Institute, Aachen.

Wolfgang Kerkhoffs
Mr. Kerkhoffs joined CircuLite in 2004 as Technical Director of CircuLite GmbH and has over 15
years experience in the development of circulatory assist devices. Prior to joining CircuLite, in the
foundation of which Mr. Kerkhoffs was significantly involved, he had been in charge of the
development of circulatory assist devices and systems for local organ perfusion at the Helmholtz
Institute for Biomedical Technologies. Mr. Kerkhoffs’ scientific research results have been
published on an international level, their main focus being on the miniaturisation of a blood pump
for long-term implantation, a work, that finally led to the foundation of CircuLite. Mr. Kerkhoffs is
a precision mechanic by training and holds a degree in Mechanical Engineering from the Aachen
University RWTH.

Kirk Lehmann
Kirk A. Lehmann is an electrical engineer with 20 years of work experience spanning a variety of
areas including ventricular assist device development, process control and defense systems. He is
presently continuing his role as a manager of electrical and software engineering at CircuLite,
GmbH located in Aachen, Germany. In this current role, he is responsible for engineering design,
project management and commercialization of all electronic modules associated with the world’s
smallest implantable circulatory support system (CircuLite Synergy® circulatory support Device).
SensorART FP7 – 248763 DoW v10  14      January 2010 t h