Simulador-Prueba

Michael Waber | Risk Director
610.822.3402
[email protected]

Oversees trading and positional risk across the firm. Background includes risk management for options market-making and brokerage operations, as well as founding Fairview Trading, Inc. Formerly served as a board governor of the PHLX Options Exchange and Chairman of its Disciplinary Review Committee. Holds a B.S. in Finance from Temple University. Mr. Waber earned a Bachelor of Science degree in Finance from Temple University.

Ralph Tunick | Applications Development Manager
610.822.3400
[email protected]

Oversees integration of Arin’s customized technology solutions with custodians, data vendors, and pricing models. Background includes software development, analytics, and database design across front-end trading, risk management, and back-office systems. Previous roles include Bullock Capital and Fairview Trading. Holds a B.A. in Mathematics from Rice University.

Benjamin Singer | Portfolio Associate
610.822.3400
[email protected]

Supports pricing protocols, operational workflows, and the communication of trading activity and performance results to clients and portfolio partners. Previous experience includes CBRE’s Financial Consulting Group. Holds a B.B.A. in Real Estate from the University of San Diego and an M.S. in Financial Mathematics from the University of Chicago.

Kim Rosenthal | Compliance Director
610.822.3400
[email protected]

Oversees firm compliance with regulations, industry practices, and internal policies. Previous experience includes serving as Chief Compliance Officer at Zeke Capital Advisors, where responsibilities included managing the firm’s compliance program and regulatory adherence. Holds a B.S. in Accounting from Albright College.

Francisco Riano | Cross-Applications Developer
610.822.3400
[email protected]

Develops the firm’s multi-strategy derivatives platform using quantitative and mathematical techniques, with a focus on translating technical capability into practical business and client applications. Holds degrees in environmental engineering and quantitative biology, along with specialization in machine learning and data science.

Lawrence Lempert | Managing Member & Trading Director
610-822-3400
[email protected]

Oversees trading and regulatory processes. Background includes founding and managing Bullock Capital’s proprietary stock and options trading operation, as well as market making and correlation and dispersion trading at Susquehanna International Group. Also designed derivatives pricing tools used in Arin’s volatility framework. Holds degrees from Rutgers, Villanova, and NYU School of Law.

Leonardo Leal | Digital Marketing Director
610-822-3400
[email protected]

Leads Arin’s digital ecosystem strategy, with a focus on brand positioning, digital programs, and market-facing communications. Previous experience includes B2B marketing leadership across finance and consulting organizations in the U.S., Latin America, and Europe. Holds bachelor’s degrees in business and advertising, a master’s degree in marketing, and is currently pursuing a PhD in marketing and data intelligence.

Joseph DeSipio, CFA, FRM | Managing Member & Strategy Director
610.822.3401
[email protected]

Leads Arin’s separately managed options overlay and volatility management solutions. Responsibilities include customized design and trade execution programs for family offices, registered investment advisors, and other fiduciaries. Also serves on the portfolio management team advising the Alpha Architect 1–3 Month BOX ETF and the Alpha Architect Tail Risk ETF. Previous roles include Evergreen Investments, Wells Fargo, and Vector Capital Management. Holds degrees from Indiana University of Pennsylvania 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.

Ryan Bailey | Lead Portfolio Manager
610.822.3400
[email protected]

Oversees Arin’s SMA trading and portfolio implementation activities across options overlay and volatility management mandates, focusing on volatility arbitrage, relative value, dividend recapture, and synthetic exposures. Previous experience includes Bullock Capital and Susquehanna International Group. Holds a B.S. in Business Administration from Drexel University.

David Bailey

Senior Trader & Risk Manager
610-822-3400
[email protected]

Oversees trading and risk management functions, with experience spanning volatility dispersion, high-frequency trading, and multi-asset systems implementation. Previous roles include TFM Investment Group and Twitch, LLC. Holds a B.A. (Hons.) in Geography and a master’s degree from Cardiff Business School.

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