Andrew Acheson is a Managing Director, Director of Large Cap Growth and a Portfolio Manager at Pioneer Investments, which was formerly known as Amundi US, and was acquired by Victory Capital in 2025. As leader of the Large Cap Growth team, Andrew works with a team of portfolio managers who specialize in large-cap growth equities. As Portfolio Manager, he focuses on large-cap growth equity strategies, and specializes in fundamental research, security selection, portfolio construction and risk management.

Andrew has been actively managing US equity portfolios since 1994. From 1999 to 2001, Andrew managed Luxembourg- and Italian-domiciled US equity strategies at Amundi Ireland. From 1994 to 1999, he was a US equity Portfolio Manager at Setanta Asset Management in Dublin and Assistant US Portfolio Manager at Norwich Union Investment Management in England.

Earlier in his career, he was a Captain in The Queen’s Royal Irish Hussars, a British cavalry regiment. He served in the UK, Germany and the Middle East, including Gulf War I. He holds an MBA from Cranfield School of Management, England (1994).