DeFi Rate Authors The reporters and analysts behind our coverage

Cheryle Shepstone

Experience

20 years in content strategy

Focus

Journalism, marketing, product

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, shaping content and revenue strategy for regulated and financial markets. She has 20 years of experience in research and marketing strategy.

Mike Breen

Experience

30 years in journalism

Focus

Journalism

Mike Breen has been a professional writer and editor for more than 30 years. He has written about the gaming industry as a freelancer since 2020, covering sports betting and online casinos for Catena Media sites, and began reporting on prediction market industry news in 2025 for Prediction News.

Iliana Mavrou

Focus

Crypto, fintech

Iliana has covered the crypto and fintech industry since the NFT boom of 2021, reporting on Ethereum’s Merge, the FTX collapse and regulatory developments. Before joining DeFi Rate in 2026 she wrote for CryptoNews, Techopedia and Capital.com. She holds a bachelor’s in journalism from City St. George’s, University of London, and a master’s in communication from the University of Gothenburg.

Alex Miguel

Focus

DeFi

Alex is a writer who has followed decentralized finance since 2016, and has written whitepapers, press releases and social content for projects in the space.

Christopher Feery

Focus

Sports markets, promotions

Christopher has written professionally since 2014, with a focus on casinos and sports betting. After New Jersey legalized sports betting in 2018 he turned his full attention to the gambling industry, and joined Catena Media in 2021, where he writes in-depth analysis and guides.

Derek Helling

Focus

Law, regulation

Derek Helling has covered the regulated sports industry for many publications since 2018. His reporting focuses on where gambling meets the business of entertainment, the changing legal landscape, technology’s effect on gaming, and gambling’s impact on society.

Garrett Kerman

Experience

5+ years

Focus

Sports markets, MMA

Garrett Kerman, known as “The Fight Analyst” in the MMA community, is a sports journalist and analyst who has written for Home of Fight and ClutchPoints. He focuses on statistical breakdowns and news, from the stylistic details of a UFC main event to breaking news.

Martin Green

Experience

10+ years

Focus

Soccer, prediction markets

Martin Green covers World Cup prediction markets for DeFi Rate, drawing on more than a decade of soccer handicapping. The London-based writer is known as “The Guru” at SportsLine and CBS Sports, where he produces daily picks across the Premier League, Champions League and international competitions. His bylines have also appeared in USA Today, the Miami Herald, the Detroit Free Press and The Independent.

Pat Evans

Focus

Politics, legislation

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, as a reporter and editor at publications including the Grand Rapids Business Journal, Front Office Sports, Legal Sports Report and iGaming Business, where he began reporting on prediction markets. He holds a political science degree from Michigan State University.