Analyst Information

Research Analysts


Mike Ritzenthaler

Sr Research Analyst

Mike Ritzenthaler

Michael Ritzenthaler is a vice president and senior research analyst at Piper Jaffray, focusing on chemicals, advanced materials, and industrial biotechnology companies. Prior to joining Piper Jaffray in 2010, Ritzenthaler worked as a chemical engineer for a Dow/Cargill JV, as well as plant design and construction with AMEC. He co-invented patents for fractionating lignocellulosics and yeast biotechnology, and won a NASA award for R&D work on polymer composites. Ritzenthaler has bachelor degrees in chemistry from Lawrence University, in chemical engineering from Washington University in St. Louis, and an MBA from the University of Minnesota. He has held the Professional Engineer license from the State of Minnesota since 2007.


Patrick Zellner
Research Analyst
Universe Coverage:
Industrials:   Agriculture, Chemicals & Advanced Materials
AYIAcuity Brands, Inc.
ALBAlbemarle Corporation
RKDAArcadia Biosciences, Inc.
ASHAshland Inc.
BCPCBalchem Corporation
CECelanese Corporation
CHMTChemtura Corporation
CREECree, Inc.
DOWDow Chemical Company (The)
ECLEcolab Inc.
DDEI DuPont de Nemours & Co.
FULHB Fuller Co.
HUNHuntsman Corporation
LYBLyondellBasell Industries
RPMRPM International Inc.
SXTSensient Technologies Corporation
SZYMSolazyme, Inc.
TCPITCP International Holdings Ltd.
VALThe Valspar Corporation
VECOVeeco Instruments Inc.
GRAW.R. Grace & Co.