The Experts


James Tharin

Founder and CEO

Office Tel: (312) 204-6970
Email: jtharin@chicagoclearing.com.

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Brian Blockovich

President and General Counsel

Office Tel: (312) 204-6970
Email: bblockovich@chicagoclearing.com

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Brian Butler

Chief Information Officer

Office Tel: (312) 204-6970
Email: bbutler@chicagoclearing.com

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