Jonas Tölle, Dr. math.
jonasmtoelle [usual symbol] gmail.com (preferred way of contact)
is a mathematician with research topics from nonlinear functional analysis, stochastic analysis and the theory of stochastic partial differential equations. Currently (2019), he is working as a Postdoc at the Department of Mathematics and Statistics at University of Helsinki.
He also works part-time as a freelance photographer/photojournalist.