Simplex Trading Names Dennis Kerlin Chief Compliance Officer

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CHICAGO--(BUSINESS WIRE)--Oct 22, 2025--

Simplex Trading, a leading proprietary market-making firm, announced today the appointment of Dennis Kerlin as Chief Compliance Officer. Mr. Kerlin will oversee Simplex’s compliance strategy and framework, ensuring operations continue to meet the highest standards of compliance and align with the evolving regulatory requirements.

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Mr. Kerlin brings over 25 years of experience in options trading compliance. Since 2011, he has held Chief Compliance Officer roles, most recently overseeing the U.S. broker-dealer’s compliance function as part of a multinational trading firm’s global compliance team.

Mr. Kerlin is widely respected for his deep regulatory knowledge and strategic insight. His appointment reflects Simplex’s ongoing investment in the firm’s growth and its continued commitment to maintaining the highest standards of compliance.

“We are thrilled to announce Dennis’s appointment as Chief Compliance Officer at Simplex,” said Nancy Laethem Stern, Managing Director, General Counsel. “We are confident that Dennis’s demonstrated industry expertise and strong leadership skills will further strengthen our dedication to compliance and risk management.”

“I’m pleased to join Simplex at an exciting time in its strategic growth,” said Mr. Kerlin. “I look forward to contributing to the continued evolution of the firm’s compliance and risk management strategy.”

Mr. Kerlin holds a Master of Science in Financial Markets from the Illinois Institute of Technology and a Bachelor of Science in Finance from the University of Illinois at Urbana-Champaign.

About Simplex Trading

Founded in Chicago in 2004, Simplex Trading is a leading, technology-driven, proprietary market-making firm and one of the top market makers in U.S. equity options today. Simplex Trading works with the most advanced technology and software in the market and focuses on innovation, automation and data-driven analysis to remain at the forefront of the market. Learn more at simplextrading.com.

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CONTACT: FTI Consulting

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KEYWORD: UNITED STATES NORTH AMERICA ILLINOIS

INDUSTRY KEYWORD: PROFESSIONAL SERVICES TECHNOLOGY DATA ANALYTICS FINANCE SOFTWARE ASSET MANAGEMENT

SOURCE: Simplex Trading

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PUB: 10/22/2025 09:00 AM/DISC: 10/22/2025 08:59 AM

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