Meet the Team

  • Ryan Bailey | Lead Portfolio Manager

    610.822.3400
    rbailey@arinllc.com

    As Lead Portfolio Manager, Ryan Bailey creates and monitors customized options overlay and volatility management mandates. Ryan focuses on Arin’s volatility arbitrage strategies. He designs and implements relative value, dividend recapture, and synthetic exposures trade ideas. He served as a Market Maker and Proprietary Trader with Bullock Capital and Susquehanna International Group across the equities, options and futures markets.

    Mr. Bailey earned a Bachelor of Science degree (Magna Cum Laude) in Business Administration from Drexel University.

  • Joseph DeSipio, CFA, FRM | Managing Member & Chief Market Strategist

    610.822.3401
    jdesipio@arinllc.com

    As Managing Member for Arin Risk Advisors, LLC (“Arin”), Joe leads Arin’s separately managed options overlay and volatility management solutions team. This team provides customized design and trade execution programs for family offices, registered investment advisors, and other fellow fiduciaries. He is also a member of the portfolio management team that advises the Alpha Architect 1-3 Month BOX ETF and the Alpha Architect Tail Risk ETF. He previously held Strategist and Lead Portfolio Manager positions with Evergreen Investments, Wells Fargo, and Vector Capital Management.

    Mr. DeSipio earned a Bachelor of Science degree from Indiana University of PA and Master of Arts degree in Economics from Temple University. He is a CFA charterholder and a Financial Risk Manager – Certified by the Global Association of Risk Professionals.

  • Lawrence Lempert | Managing Member & Trading Director

    610-822-3400
    llempert@arinllc.com

    As Managing Member and Trading Director, Larry Lempert oversees all trading and regulatory processes. He founded and managed Bullock Capital, LLC’s proprietary stock/option trading operation and served as a market maker/index/sector correlation and dispersion trader with Susquehanna International Group. He designed several derivatives pricing tools including one for option’s volatility that Arin employs for its “True Vol” pricing matrix.

    Mr. Lempert earned a Bachelor of Science degree in Statistics and Economics from Rutgers College, a Juris Doctor from Villanova University School of Law and a Master of Laws in Taxation from New York University School of Law.

  • Chad Levine | Trading Strategist

    610.822.3400
    clevine@arinllc.com

    As Trading Strategist, Chad Levine focuses on Opportunistic Trading Strategies. He creates and implements trade ideas for special situations, volatility arbitrage, and index/sector correlation and dispersion. He held positions with Bullock Capital and Susquehanna International Group. During his tenure at both firms, he served as a Proprietary Trader and Market Maker in the equity options and equity index derivatives markets.

    Mr. Levine earned a Bachelor of Science degree in Finance from Drexel University.

  • Kim Rosenthal | Director of Compliance

    610.822.3400
    krosenthal@arinllc.com

    As Compliance Director, Kim Rosenthal is responsible for overseeing and ensuring firm compliance with regulations, industry practices and internal policies.

    Prior to joining Arin, Ms. Rosenthal served as Chief Compliance Officer for Zeke Capital Advisors, LLC where she managed the firm Compliance Program aimed at minimizing compliance risks, and ensured adherence to relevant regulations.

    Ms. Rosenthal earned a Bachelor of Science degree in Accounting from Albright College.

  • William Simon | Trading Strategist

    610.822.3400
    ssimon@arinllc.com

    As Trading Specialist, William Simon is responsible for direct client and sub-advisor client trading strategies.  Skip implements overlay, hedging and monetization programs for institutions, commingled vehicles, and individual accounts.

    William served as a market maker in Foreign Currency Options for Chase/Susquehanna International Group global book and as a specialist in SIG Semiconductor Index arbitrage group.

    Mr. Simon earned a Bachelor of Science degree in Business Administration from Villanova University with a concentration in marketing and finance.

  • Benjamin Singer | Portfolio Associate

    610.822.3400

    bsinger@arinllc.com

    As a Portfolio Associate, Ben is responsible for creating and updating various pricing and operational support protocols.  Ben coordinates the transmission of trading activity and performance results with clients and portfolio partners. He served as Associate Director for CBRE's Financial Consulting Group.

    Mr. Singer earned a Bachelor of Business Administration degree (Magna Cum Laude) in Real Estate from University of San Diego and a Master of Science in Financial Mathematics from University of Chicago.

  • Ralph Tunick | Applications Development Manager

    610.822.3400
    rtunuck@arinllc.com

    As Applications Development Manager , Ralph Tunick oversees integrating Arin’s solutions with various custodians, data vendors, and pricing models to meet our clients’ needs.  Ralph has extensive experience in software development, analytics, and database design for front-end trading as well as risk management and other back office applications. 

    Prior to joining Arin, Mr. Tunick held similar roles with Bullock Capital and Fairview Trading.  His pricing and risk models apply to currencies, equities, fixed income instruments, futures, and options. 

    Mr. Tunick earned a Bachelor of Arts degree in Mathematics from Rice University.

  • Michael Waber | Risk Director

    610.822.3402
    mwaber@arinllc.com

    As Risk Director, Michael oversees Arin’s trading and positional risks. Michael offers significant experience providing risk management for the options market maker/brokerage community on both floor and desk trade books. Michael’s expertise blends strategy design with trade execution.

    Mr. Waber was the President and founder of Fairview Trading, Inc., an options market making firm on the Philadelphia Stock Exchange (PHLX). Michael was a founding member of the PHLX Options Exchange, an exchange for which he once served 2 terms as a Board governor and a term as Chairman of the Disciplinary Review Committee.

    Mr. Waber earned a Bachelor of Science degree in Finance from Temple University.