Andrew Choi

Andrew Choi is a Portfolio Manager and Senior Research Analyst at Parnassus Investments, LLC, based in Los Angeles, California. He co-manages the firm's Core Equity Fund and Core Select strategies, with responsibilities spanning portfolio construction, firmwide investment research, and direct oversight of large-cap equity funds. Choi is part of a collaborative team that focuses on active, high-conviction investing, integrating ESG criteria across all strategies.

His investment coverage emphasizes large-cap equities with a specific focus on technology (cloud computing, artificial intelligence, semiconductors), business services, and industrial manufacturing automation. Choi regularly expresses interest in high-growth sectors such as hyperscale data center operators (e.g., Microsoft, Amazon, Alphabet), semiconductor leaders (Nvidia, Applied Materials), and resilient B2B business services, as well as select consumer discretionary and insurance companies.

Prior to joining Parnassus in 2018, Choi worked at Deloitte Consulting as a Business Analyst and began his Parnassus career as a research intern. He holds a bachelor’s degree in Chemistry from Princeton University and an MBA from Harvard Business School. Choi is recognized for his expertise in sustainable investment strategies and for helping shape evolving frameworks for responsible, judgment-based portfolio management at one of the leading ESG-focused asset managers.