8+ years of experience in trade and communications surveillance
Expert in finance, securities regulation and enforcement, and corporate compliance
Licensed attorney
Boston
@alvarezmarsal
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Sarah Fearon-Maradey is a Senior Director with Alvarez & Marsal Disputes and Investigations in Boston. She specializes in trade and communications surveillance. A licensed attorney, Ms. Fearon-Maradey has over a decade of combined experience in finance, securities regulation and enforcement, surveillance, and corporate compliance.
Ms. Fearon-Maradey brings experience implementing and calibrating surveillance systems including NASDAQ Trade Surveillance, Mantas, NICE Actimize, Forcepoint (formerly RedOwl), and OneTick. She has performed alert reviews and escalations, generated metrics and management reporting materials, and responded to regulatory and audit inquiries as well as policy, procedure, and training development.
Prior to joining A&M, Ms. Fearon-Maradey served as a Vice President at Credit Suisse, where she led the Americas Trade and eCommunications Surveillance Program. She led two teams responsible for detecting market/client abuse through analyzing and investigating trading activity in equity, fixed income, futures, option, and foreign exchange products. Ms. Fearon-Maradey also oversaw an off-shore team responsible for the detection of market/client abuse, insider trading, wall crossing and employee misconduct through the analysis and investigation of employee communications. She worked closely with compliance investigations, FCC investigations, and general counsel to investigate suspicious activity and respond to regulatory inquiries.
Previously, Ms. Fearon-Maradey held positions with the Harvard School of Public Health, the New Hampshire Bureau of Securities Regulation, the U.S. Securities and Exchange Commission, and IQVIA.
Ms. Fearon-Maradey earned a bachelor's degree from Dartmouth College, an MBA from the University of New Hampshire, and a J.D. from the University of New Hampshire. She is a licensed attorney in the state of North Carolina.
Following Eventus FORWARD, A&M Senior Directors Sarah Fearon-Maradey and Jonathan Zatz share key takeaways on the growing scrutiny around prediction markets, including insider trading risk, contract ambiguity, market conduct surveillance, and steps firms can take to strengthen compliance frameworks.
A&M’s Disputes and Investigations experts examine the SEC’s interpretative release from March 17, 2026, including its crypto asset taxonomy and its treatment of digital commodities, stablecoins, tokenized securities, and certain crypto-related activities. They also explore what this guidance could mean for the continued expansion of crypto asset trading in the United States.
On March 12, 2026, the Commodity Futures Trading Commission (CFTC) issued two key documents aimed at clarifying regulatory oversight in the prediction markets – an Advanced Notice of Proposed Rulemaking (ANPRM) and a staff advisory letter to Designated Contract Markets (DCMs). In this article, we will highlight key takeaways from both.
In this article, Dr. Andreas Tauer and Christoph Hörauf explore how technological change, regulatory complexity, and AI are reshaping evidence in disputes and investigations, the risks introduced by growing volumes of digital data, and the key considerations for maintaining integrity and defensibility.
