The Editorial Team at DeFi Rate

Cheryle Shepstone

Cheryle is Director of Content and Strategy at DeFi Rate. She oversees the prediction market research, platform reviews, and editorial methodology behind every guide—from primary source verification through final fact-check. Before DeFi Rate, she led content and growth strategy at Catena Media, where she helped shape content and revenue strategy for regulated and financial markets. She has 20 years of experience in research and marketing strategy

Mike Breen

Mike Breen has been a professional writer and editor covering a wide range of topics for more than 30 years. He’s been a freelance gaming industry writer since 2020, reporting on sports betting, online casinos, and more for various Catena Media sites, and he began reporting on prediction market industry news in 2025 for Prediction News.

Iliana Mavrou

Iliana has been covering the crypto and fintech industry since the NFT boom in 2021. Throughout her career, Iliana reported on key crypto events, including Ethereum’s Merge, the FTX scandal, and regulatory developments. Before joining Defi Rate in 2026, she wrote for a number of publications in the crypto space, with bylines at CryptoNews, Techopedia, and Capital.com.Iliana holds a Bachelor’s in Journalism from City St. George’s, University of London, and a Master’s in Communication from Gothenburg University.When she’s not working, Iliana enjoys taking photos and experimenting with crochet projects, although she does tend to spend a lot of her free time on crypto Twitter looking for scoops.

Alex Miguel

Alex is a writer and DeFi enthusiast who has been in the space since 2016. He has written whitepapers, press releases, and social media content for several projects in the space.

Christopher Feery

Christopher has been writing professionally since 2014, with a focus on casinos and sports betting. After New Jersey legalized sports betting in 2018, he shifted his full attention to the gambling industry, joining Catena Media in 2021. He contributes in-depth analysis and guides on many igaming sites.

Derek Helling

Derek Helling is a journalist who has covered the regulated sports industry for many publications since 2018. His coverage emphasizes the intersections of gambling with the business of entertainment, the evolution of the legal landscape, technology’s shaping of gaming, and the impact of gambling on society. When he isn’t working on his next story, he enjoys traveling with his wife and spoiling their pair of Munchkin cats.

Garrett Kerman

Garrett Kerman, known as “The Fight Analyst” in the MMA community, is a veteran sports journalist and expert analyst. Garrett has worked for top platforms, including Home of Fight and ClutchPoints. Garrett focuses on high-level statistical breakdowns and news coverage. His work spans from the stylistic intricacies of a UFC main event to the latest breaking news, bridging fight analysis and breakdowns for fans and bettors looking to beat the books.

Martin Green

Martin Green covers World Cup prediction markets for DeFi Rate, bringing more than a decade of soccer handicapping experience to the 2026 tournament cycle. The London-based writer is best known as “The Guru” at SportsLine and CBS Sports, where he produces daily picks across the Premier League, Champions League, and major international competitions, and appears regularly on SportsLine’s “The Early Edge.” His bylines can also be found in USA Today, the Miami Herald, the Detroit Free Press, and The Independent. He came into sports media after several years working inside the sports betting industry, an angle that suits DeFi Rate’s coverage of how Kalshi, Polymarket, and other venues are pricing the World Cup.

Pat Evans

Pat Evans has nearly two decades of experience covering complex industries. Before joining Defi Rate in 2026, he spent more than 15 years writing about sports betting, food and beverage, construction, health care and sports business for national and regional outlets. He previously worked as a reporter and editor for publications including the Grand Rapids Business Journal, Front Office Sports, Legal Sports Report and iGaming Business, where he began in-depth reporting on prediction markets. Pat holds a political science degree from Michigan State University.