Steven Jefferis is a financial advisor at William Blair with 26 years of industry experience. He previously worked at Stifel for 28 years before joining William Blair in 2026. Outside of his advisory role, Jefferis manages Maplewing Farm LLC, which is involved in standardbred horse racing and operates an Airbnb at his farm in Delaware, Ohio. William Blair’s Private Wealth Management division offers discretionary and non-discretionary investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm employs active, research-driven management across various asset classes and provides proprietary models and private fund access to its clients.

Albert Abdo is a financial advisor at William Blair with 11 years of industry experience. He holds a Series 66 designation and has previously worked at Bank of America, N.A. and Merrill. William Blair’s Private Wealth Management division offers discretionary and non-discretionary investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm employs an active, research-driven management approach across various asset classes and provides proprietary models, third-party sub-advisers, and access to private funds through its MB Investments Program.

Julie Abdo is a financial advisor at William Blair with six years of industry experience. She holds Series 63 and Series 65 credentials. Her prior roles include positions at Stifel and Brighthouse Securities, as well as experience with the Lee County School District and Delaware Golf Club. William Blair’s Private Wealth Management division offers investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm emphasizes active, research-driven strategies across multiple asset classes and provides proprietary models and access to private funds and co-investment opportunities.