Alastair Paterson, Angel Investor

Alastair Paterson is an angel investor with a portfolio of companies in cybersecurity and AI infrastructure. His latest investments include Ploy, AgntID.ai, and Refute, reflecting a focus on early‑stage ventures building secure and intelligent systems. He has participated in Ploy’s seed round, which raised £2.5 million, AgntID.ai’s pre‑seed round of $500,000, and Refute’s angel round. These investments show his support for startups at formative stages, backing companies developing security and identity solutions. Alastair is currently CEO of Harmonic Security, a company he co‑founded in 2023. He has been in this role for over three years, leading efforts to help enterprises adopt AI securely while protecting sensitive data.