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Siegfried Russwurm is a German businessperson who has been at the helm of 10 different companies. Currently, Dr. Russwurm is Chairman-Supervisory Board at Voith GmbH, Chairman-Supervisory Board at ThyssenKrupp AG, Chairman-Supervisory Board for thyssenkrupp Elevator Europe Africa GmbH (a subsidiary of ThyssenKrupp AG), President of Bundesverband der Deutschen Industrie e.V. and Chairman for Siemens (Pty) Ltd. Siegfried Russwurm is also Member of Deutsche Akademie der Technikwissenschaften eV and on the board of 11 other companies. In his past career Dr. Russwurm was Member-Management Board at Siemens AG Chairman-Supervisory Board for Siemens AG Österreich, Chief Executive Officer at Siemens Industry, Inc. Chairman for Siemens Schweiz AG and Head-Electro Medical Systems at Siemens-Elema AB (which are all subsidiaries of Siemens AG), Chairman-Supervisory Board at OSRAM Licht AG, Chairman-Supervisory Board of OSRAM GmbH, Director at Nokia Siemens Networks Oy and Chairman-Technical Mechanics at Friedrich-Alexander University of Erlangen-Nuremberg. He received a doctorate from Friedrich-Alexander University of Erlangen-Nuremberg.

Siegfried Reich founded eFFECTOR Therapeutics, Inc. Dr. Reich is Chief Scientific Officer & Executive VP at Turning Point Therapeutics, Inc. In the past he held the position of Vice President at Pfizer Inc. and Director & Head-Medicinal Chemistry at Agouron Pharmaceuticals LLC (a subsidiary of Pfizer Inc.), Senior Vice President-Research at eFFECTOR Therapeutics, Inc. and Vice President-Drug Discovery at SGX Pharmaceuticals, Inc. Siegfried Reich received an undergraduate degree from San Diego State University and a doctorate from the University of California, Irvine.

Mr. Siegfried Mayrhofer is a Chief Financial Officer at eTel Austria GmbH & Co. KG, a Group Chief Financial Officer at Telekom Austria AG and a Co-Managing Director at Mobilkom Beteiligungsgesellschaft mbH. He is on the Board of Directors at A1 Slovenija dd, A1 Hrvatska doo, Miami County Zoning Commission, one.Vip doo, Mobiltel AD, Si.mobil dd, Unitary Enterprise Velcom, Vip Mobile d.o.o. and Vip operator DOOEL. Mr. Mayrhofer was previously employed as a Chief Financial Officer & Member-Supervisory Board by A1 Telekom Austria AG. He received his undergraduate degree from Graz University of Technology.

Presently, Siegfried Willi Kiefer is President & Chief Executive Officer at Canadian Utilities Ltd. and President, Chief Executive Officer & Director at CU, Inc. (a subsidiary of Canadian Utilities Ltd.). He is also on the board of ATCO Power Ltd. and ATCO Electric Ltd. and President & Chief Strategy Officer at ATCO Ltd. He previously held the position of President for Wipro Solutions Canada Ltd. and Manager-Utility Services at ATCO Energy Solutions Ltd. Siegfried Willi Kiefer received an undergraduate degree from the University of Calgary.

Siegfried Kreutzfeld is currently the Chief Executive Officer at Zest WEG Group Africa (Pty) Ltd.
He also holds the position of Director at WEG SA. In addition, he serves as a Director at Companhia Brasileira de Metalurgia & Mineracao and as a Member-Executive Board at WEG Equipamentos Elétricos SA, WEG Amazônia SA, RF Reflorestadora Ltda., and WEG Linhares Equipamentos Elétricos Ltda.
Mr. Kreutzfeld completed his undergraduate degree at the Federal University of Santa Catarina in 1996.
He then went on to earn a graduate degree from the same university in 1998.
Prior to that, he obtained an undergraduate degree from Santa Catarina State University in 1974.
He also holds undergraduate degrees from Centro Universitário de Jaraguá do Sul, earned in 1993, 1990, and 1988.

Stefan Russwurm is Chief Executive Officer, Chief Medial Officer and Founder of SIRS-Lab GmbH.
He was Senior Physician and Head of the Experimental Anaesthesiology Department at the University of Jena.
Dr. Russwurm holds a PhD in Molecular Medicine and Atherosclerosis.

Heinz Russwurm currently holds positions in Aop Orphan Pharmaceuticals GmbH, where he currently serves as Chairman-Supervisory Board.

John J.
Siegfried is currently the Director at The Council for Economic Education.

Siegfried Mänzel has held various managing director and co-managing director positions in companies such as BluJay Solutions GmbH, CSF Solutions GmbH, and BluJay Solutions (Germany) Holdings GmbH.
He is currently working as a Co-Managing Director at BluJay Solutions GmbH and BluJay Solutions (Germany) Holdings GmbH.

Siegfried Bethke currently works at European Organization for Nuclear Research, as Council.

Siegfried Marissens has worked as a Secretary at Quintet Private Bank (Europe) S.A.
since 2018.

Siegfried Drexl currently holds a position as a Member-Supervisory Board at Bayern-Versicherung Lebensversicherung AG.

Siegfried Otto Weidner is currently the President of Marienberg Minerals Ltd.
He previously worked as a Director at Williams Creek Gold Ltd., Manager-North America & Europe Operations at Rio Algom Ltd., Vice President-Exploration at Guerrero Ventures, Inc., Vice President-Exploration at ValOro Resources, Inc., and Manager-Operations at BHP Group (UK) Ltd.

George A.
Siegfried is currently a member of Fieldstone Golf Club LP and The Institute of Electrical & Electronics Engineers, Inc. He holds a Master's in Business Administration from Loyola University Maryland, an undergraduate degree from the University of Delaware, and a graduate degree from Worcester Polytechnic Institute.

Siegfried Bradler served as a member of the supervisory board at Maschinenfabrik Berthold Hermle AG.

Siegfried Schwirzer has worked as the Head-Investor Relations at dormakaba Holding AG since 2016.

Siegfried Gugu worked as a Member-Management Board at OMV Petrom SA from 2007 to 2011.
He graduated and earned a doctorate degree from Montanuniversität Leoben.

Siegfried Kunz worked as a Chief Investment Officer at HolidayCheck Group AG.

Siegfried Schröpf is currently the Chief Executive Officer at SBB Solar GmbH, Co-Managing Director at GRAMMER Solar GmbH, and an Auditor at Bundesverband Solarwirtschaft eV.
He was previously a Member-Supervisory Board at Solarpraxis AG from 1993 to 2012.

Jeremy D Siegfried have worked as a Secretary at Rocky Brands, Inc. and as a Partner at Porter Wright Morris & Arthur LLP.

Siegfried Naser held positions in Bayerische Landesbank, Deutsche Kreditbank AG, and The Bavarian Savings Bank Association.
His former job titles include Deputy Chairman, Director-Supervisory Board, and Executive President.

Erin F Siegfried currently works at Porter Wright Morris & Arthur LLP, as Principal.

Dr. Nikolaus Siegfried is an Economist at Thames River Capital LLP.
He joined Thames River in November 2005.
From 2002 to 2005 he was an Economist at the European Central Bank (ECB) in Frankfurt analysing economic and political developments in the Middle East and North Africa.
Dr. Siegfried has a Ph.D.
in Economics from Hamburg University.

Siegfried Crede is currently working as a Director at Die Detlef Hegemann AG since 2009.
He previously worked as the Chief Executive Officer at Volkswerft Stralsund GmbH.

Tray Hastings Siegfried is currently the Vice Chairman & COO-MRO Division at The NORDAM Group LLC.
He also holds positions as Director at Oklahoma Hall of Fame, Inc., General Aviation Manufacturers Association, Tulsa Metro Chamber, American Red Cross, Inc., Cascia Hall Preparatory School, and Young Presidents' Organization, Inc. He is a Trustee at Holy Cross College (Indiana) and a Senior Consultant at The Persimmon Group LLC since 2012.
Mr. Siegfried previously worked as a Director at United Way Worldwide.
He completed his undergraduate degree at the University of Notre Dame and holds an MBA from The University of Tulsa.

Siegfried Böhnisch is associated with SBK Mr. Böhnisch Kunststofftechnik GmbH, where he held the title of Co-Managing Director starting from 1971.
He is the founder of SBK Mr. Böhnisch Kunststofftechnik GmbH, which was founded in 1971.