Gregory Henry is an iGaming strategist and slot reviewer specializing in high-volatility titles, RTP modeling, bonus terms, and crypto/fiat payment rails. He holds a B.S. in Mathematics and a postgraduate certificate in fintech compliance, and has spent years auditing both regulated and offshore casinos for security, licensing, and mobile UX. His 2025 guides—like his Gates of Olympus site roundup—turn data-driven testing into clear, safe, high-value recommendations for players.