Senior Management

Senior Management

Jeffrey Sime

President and COO
Mr. Sime was one of the original founders and rejoined Legent in 2011, prior to its transition to COR Clearing. From 2007 to 2010, Mr. Sime provided consulting services to brokerage and technology firms in the brokerage space. From 2002 to 2007, Mr. Sime served various senior management roles with the company. Prior to COR Clearing, Mr. Sime was Chief Financial and Chief Administrative Officer for Kirkpatrick Pettis, the brokerage subsidiary of Mutual of Omaha Insurance Company. Mr. Sime founded the clearing division at Kirkpatrick Pettis that eventually became Legent Clearing. Mr. Sime began his career with Deloitte and has held several positions at brokerage firms. He has over 20 years of financial services experience and holds the series 7, 24, 27, 53, 63, 79 licenses. Mr. Sime has a BS in Business Management with an Accounting Major.

Colette Rex

Executive Vice President of Operations
Ms. Rex has served as EVP of Operations with COR Clearing since November 2012, and came to us with extensive operations experience at several preeminent financial services firms, including AXA Financial, Morgan Stanley, Pershing and Financial Clearing and Services Corp. She is also a past Executive Board Member of the Customer Account Transfer Division of SIFMA. FINRA licensed Series 7, 9/10, 24, 27, 51 and 63.

Leon Ferguson

Chief Technology Officer
Mr. Ferguson is the Chief Technology Officer of COR Clearing LLC. He has over twenty years’ experience in executive roles at technology focused companies. Previously, he founded a technology back-office provider for telco companies, DCA, Inc., which was sold to Worldcom. Mr. Ferguson moved on to serve as the CTO for ITS/Penson Financial Services in the trading technology group. He also served as the CTO for FolioFN, a broker dealer/technology provider specializing in the portfolio solutions for registered investment advisors. Prior to COR Clearing, Mr. Ferguson served as the CTO in Hong Kong and Singapore for InvestLab, providing international trading and settlement systems for broker dealers in Asia. He is a graduate of the University of Oklahoma.

Michael Scaplen

SVP Sales and Relationship Management
Mr. Scaplen joined COR Clearing LLC as Senior Vice President of Sales and Relationship Management. Over his career Mr. Scaplen has served in both a Relationship Management and Sales capacity at some of the top clearing houses in the country including iClearing (Datek Online), Penson Financial Services Inc., Southwest Securities Inc., and Electronic Transaction Clearing Inc. (ETC). Mr. Scaplen’s experience with multiple clearing and execution products has led him to develop and implement various strategies that have streamlined operational efficiency and increased overall revenue to the firms. Mr. Scaplen credits his success to strong mentors and is a member of his alma maters Alumni Mentoring Program. He is a graduate of the Ramapo College of New Jersey, a member of the Security Traders Association of New York, and is FINRA licensed Series 4, 7, 24, 55, 63.

Mark R. Bell

Chief Legal Officer
Mr. Bell works as the Chief Legal Officer for COR Clearing LLC. He joined COR’s leadership team after serving as BSA Program (Risk) Manager for Texas Capital Bank where his focus included conducting enhanced due diligence of clearing firms seeking to establish banking relationships with Texas Capital. Prior to working at the bank, Mr. Bell served as Penson Financial Services’ anti-money laundering compliance officer. His industry experience includes over ten years working as the chief operating officer, general counsel and senior listed options trader for Spyglass Trading, an introducing broker serving institutional clients. An Air Force veteran, Mr. Bell retired from active duty as a lieutenant colonel having served as a missile launch officer and as a judge advocate. Admitted to practice before the U.S. Supreme Court, Seventh Circuit Court of Appeals, the U. S. Tax Courts, multiple military courts, and the Texas Supreme Court, Mr. Bell earned his J.D. from the University of Indiana at Indianapolis and his LLM in Taxation from Georgetown Law. He is a member of the sixteenth graduating class of the United States Air Force Academy.

Michael A. Barth

Chief Risk Officer
Mr. Barth serves as Chief Risk Officer of COR Clearing. With more than 30 years’ experience in the industry, he has held leadership positions in operations, compliance, regulation, business development, client services and sales. Mr. Barth joined COR from Electronic Transaction Clearing (ETC) where he was the Chief Operations Officer. Prior to ETC, he held executive roles at OES MarketGroup, Philadelphia Stock Exchange and Pacific Stock Exchange. He is a graduate of UCLA and is FINRA licensed Series 7, 24 and 99.

Efren C. Cleofe III

Chief Compliance Officer
Mr. Cleofe serves as Chief Compliance Officer of COR Clearing. His experience spans more than 30 years in the industry with a focus on operations, regulatory compliance and supervisory risk and control. Cleofe joins COR from HSBC Securities where he was the Director and Sr. Compliance Manager of Wealth Management and Investment Advisor Compliance. He also served in leadership roles at Bank of America Merrill Lynch, Goldman Sachs Execution & Clearing, L.P. and UBS.   A graduate of San Beda College, he is FINRA licensed Series 3, 7, 8, 24, 63 and 65. Cleofe is a Certified Financial Crimes and Regulatory Compliance (CFCRC) from the University of Manchester in UK and is an active member of FINRA Board of Arbitrators.

Steve Oss

Chief Financial Officer

Mr. Oss serves as CFO of COR Clearing, LLC. He has more than 25 years of experience in finance, administration and public accounting. Prior to joining COR in 2015, Mr. Oss served as a Vice President and FINOP at Ameritas Investment Corp, and has also held Controller and Senior Auditor roles in different industries. He holds an active Certified Public Accountant (CPA) permit to practice from the Nebraska Board of Public Accountancy and is FINRA licensed Series 7, 24 and 27.  Mr. Oss is a member of the American Institute of Certified Public Accountants (AICPA) and has earned its Chartered Global Management Accountant (CGMA) designation.




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Omaha, NE 68102-1916

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