Roy Shaham is the Founder and CEO of Rain, a protocol specializing in decentralized prediction markets. Drawing on his background in technology development and business strategy, Roy Shaham has played a crucial role in advancing the capabilities of prediction markets within the blockchain space.

Education

Roy Shaham pursued his academic studies at Ben-Gurion University of the Negev, located in Israel. He attended the university from 2000 to 2004, although specific details about his degree or field of study are not publicly available. Despite this limited information, his later career suggests a strong foundation in technology and business, which likely contributed to his entrepreneurial pursuits in the tech and finance sectors.

Career

Early Career

Roy Shaham began his professional career at CoolVision, where he worked as Projects & QA Manager from 2004 to 2006. He later served as Head of Operations & Projects between 2006 and 2010, overseeing production, operations, project management, and quality assurance activities, which served as a basis for later work with blockchain technology..

In December 2010, Shaham joined William Hill Online as Poker Director. He was responsible for managing the company's poker business unit and its profit and loss operations. He remained in the position until December 2013.

From 2013 to 2017, Shaham served as Chief Executive Officer of GetStocks, a company he founded. During this period, he oversaw the company's operations and business activities.

Leadership Roles

In 2017, Shaham joined 888holdings as Poker Marketing Director. He held the position until 2019, when he became Vice President of Business Development at Trafficpoint. He remained at Trafficpoint until 2021.

Between 2021 and 2023, Shaham served as Vice President of B2C at Pixellot, a company specializing in AI-based sports production technology. In 2023, he was appointed Senior Vice President of Revenues, a position he held until 2024.

In 2024, Shaham worked on a stealth startup as an entrepreneur. In 2025, he joined PLAYSTUDIOS in a marketing role. Later that year, he served as Chief Executive Officer of a stealth startup operating in the Web3 and blockchain sector.

Rain Protocol

In November 2025, Shaham became Chief Executive Officer of Rain, a decentralized prediction market protocol built on the Arbitrum blockchain.

During his tenure, Rain introduced OpenClaw and an AI agent-ready software development kit (SDK) for the creation and management of prediction market platforms. The protocol supports public and private prediction markets and includes automated market maker (AMM) functionality and on-chain order books.

Rain also established a grant program valued at more than $5 million to support developers building applications and platforms within its ecosystem.

The protocol has undergone additional development through liquidity-related initiatives and infrastructure updates. Version 2 of the protocol was released with support for increased platform activity, including activity associated with large-scale global events such as the 2026 FIFA World Cup.

Shaham's work at Rain has involved the development of tools and infrastructure related to prediction markets, artificial intelligence integration, and blockchain-based applications. ^{[2] [1] [6] [5] [4] [3]}