Contributors
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Jens Wippermann.studied.medicine.at.the.Hannover.
Medical. School.. In. 1993,. he. started. his. residency. in.
cardiothoracic. and. vascular. surgery,. in. which. he.
became. a. specialist. in. 1999.. During. that. time,. he.
received.his.PhD..In.2000,.he.became.senior.surgeon.
in. the. Department. of. Cardiothoracic. and. Vascular.
Surgery. at. Friedrich. Schiller. University,. where. he.
joined.the.group.of.D..Klemm.to.investigate.bacterial.
cellulose.in.large.animals..The.focus.was.the.evaluation.of.cylindrical.bacterial.cellulose.as.a.substitute.for.
small.arterial.vessels..In.2006,.he.moved.to.the.University. of. Cologne,. becoming. an. assistant. director. for.
cardio. thoracic.surgery..There.he.headed.the.working.
group.“Nano. cellulose—A.new.biomaterial.for.cardiac.and.vascular.surgery”.
in.a.close.relationship.with.D. Klemm.and.fellows.