Lonny Elfenbein
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Lonny Elfenbein

Chief Compliance Officer

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(513) 977-8330

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255 E. Fifth Street
Suite 1900
Cincinnati, OH 45202


Lonny is a Chief Compliance Officer with Dinsmore Compliance Services.   He has over 20 years of financial services industry experience beginning as a Financial Advisor and then moving on to hold various compliance, supervisory and marketing roles with independent and bank-based Broker/Dealers and Registered Investment Advisors.  He is proud to give back to the industry by serving as a FINRA Arbitrator as well as a member of the FINRA Qualifications Content Committee where he helps evaluate and create new content for the SIE Examination.   Lonny previously held his FINRA Series 7, 24, 52, 53, 63 and 65 registrations.

Lonny has obtained the Certified Regulatory and Compliance Professional (CRCP®) designation through the FINRA Institute at Wharton as well as the Chartered Financial Consultant (ChFC)® designation through the American College.


  • Tulane University (BSM)

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