Donald Denkhaus

Director/Board Member at CATALYST PHARMACEUTICALS, INC.

Net worth: 16 M $ as of 2026-05-30

80 year

96 connections

Commercial Services

Consumer Services

Health Technology

Profile

Donald A. Denkhaus is President & Chief Executive Officer at Integrity Risk Advisors, Inc. since 2005.
He is Executive Chairman at TM Systems LLC since 2004.
He serves as Chairman & Chief Financial Officer at The Kitchen LLC since 2005.
He is an Independent Director at Catalyst Pharmaceuticals, Inc. since 2015.
Formerly, Mr. Denkhaus was Chairman at Nuovo Biologics LLC from 2010 to 2013.
He was Director at Noven Pharmaceuticals, Inc. from 2004 to 2009.
He worked as Principal at Ernst & Young LLP from 2002 to 2003.
He was Partner at Arthur Andersen LLP from 1980 to 2002.
Education includes undergraduate studies at Kent State University (Ohio) and an MBA from the University of Maryland.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CATALYST PHARMACEUTICALS, INC. 0.41%	2026-04-26	498,773 ( 0.41% )	16 M $	2026-05-30

Donald Denkhaus active positions

Companies	Position	Start
CATALYST PHARMACEUTICALS, INC.	Director/Board Member	2015-02-18
TM Systems LLC TM Systems LLC Miscellaneous Commercial ServicesCommercial Services Provides integrated digital solution for language translating, dubbing, subtitling, closed captioning, and rendering	Chairman	2003-12-31
Integrity Risk Advisors, Inc.	Chief Executive Officer	2004-12-31
The Kitchen LLC The Kitchen LLC RestaurantsConsumer Services Operates as a restaurant	Chairman	2004-12-31

All active positions of Donald Denkhaus

Former positions of Donald Denkhaus

Companies	Position	End
Nuovo Biologics LLC Nuovo Biologics LLC BiotechnologyHealth Technology Engages in research and development of protein drugs	Chairman	2012-12-31
Noven Pharmaceuticals, Inc. Noven Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in research, development, manufacture, marketing and sale of transdermal pharmaceutical products	Director/Board Member	2009-08-26
Ernst & Young LLP Ernst & Young LLP Miscellaneous Commercial ServicesCommercial Services Provides assurance, auditing, tax, legal, technology and consulting & managed services	Corporate Officer/Principal	2002-12-31
Arthur Andersen LLP Arthur Andersen LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting services	Corporate Officer/Principal	2001-12-31

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Training of Donald Denkhaus

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Private companies

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Linked companies

Private companies	10
Noven Pharmaceuticals, Inc. Noven Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in research, development, manufacture, marketing and sale of transdermal pharmaceutical products	Commercial Services
Ernst & Young LLP Ernst & Young LLP Miscellaneous Commercial ServicesCommercial Services Provides assurance, auditing, tax, legal, technology and consulting & managed services	Commercial Services
Catalyst Pharmaceuticals, Inc. Catalyst Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops, manufactures and markets novel medicines for patients living with rare diseases	Health Technology
Nuovo Biologics LLC Nuovo Biologics LLC BiotechnologyHealth Technology Engages in research and development of protein drugs	Health Technology
Arthur Andersen LLP Arthur Andersen LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting services	Commercial Services
Kent State University (Ohio) Kent State University (Ohio) Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of Maryland University of Maryland Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
TM Systems LLC TM Systems LLC Miscellaneous Commercial ServicesCommercial Services Provides integrated digital solution for language translating, dubbing, subtitling, closed captioning, and rendering	Commercial Services
Integrity Risk Advisors, Inc.
The Kitchen LLC The Kitchen LLC RestaurantsConsumer Services Operates as a restaurant	Consumer Services