About John

John Cultra spent his first ten years at William Blair as a research analyst. He was responsible for generating equity investment ideas consistent with William Blair’s quality growth philosophy, focusing on technology, business services, industrial, and financial service companies. He was also responsible for the ongoing research of these companies to track their performance and determine their fit within client portfolios.

John transitioned to a portfolio management role, working with a select number of families and institutions to meet their wealth advisory and investment management needs. John is a member of the CFA Institute and the CFA Society of Chicago.

In 2019 and 2020, the Cultra Wealth Management Group was named a Top 50 Private Wealth Advisory Team by Barron's.1 

John joined William Blair in 1996.

Professional Recognition and Awards

  • Barron’s Top Wealth Advisors 2016 – 20211
  • Forbes Top 250 Wealth Advisors 2019, 20202
  • Forbes Best-in-State Advisors 2020, 20213

1 The teams are ranked on a variety of factors, including their size and shape, the regulatory records and credentials of their members, and the resources they have at their disposal to serve their client bases
2 The ranking reflects the volume of assets overseen by the advisors and their teams, revenues generated for the firms and the quality of the advisors’ practices.
3 The Forbes ranking algorithm is based on industry experience, interviews, compliance records, assets under management, revenue and other criteria by SHOOK Research, LLC, which does not receive compensation from the advisors or their firms in exchange for placement on a ranking. Investment performance is not a criterion.




University of Iowa, B.B.A.
Northwestern University's Kellogg School of Management, M.B.A.

About William Blair

William Blair is a premier global boutique with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*

*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.

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