John joined MacKay Shields in July 2009 as Co-Head of MacKay Municipal Managers when the firm acquired the assets of Mariner Municipal Managers LLC. In addition, John was named Vice Chairman in September 2022 and oversees the firm’s investment teams. Before joining MacKay, he was the Chairman and co-founder of Mariner Municipal Managers from 2007 to 2009. He has been a municipal portfolio manager and/or municipal analyst since 1990, with a broad range of portfolio management and analytic experience in the municipal markets. John was a Managing Director and Co-Head of BlackRock’s Municipal Portfolio Management Group (from 2006 to 2007). Prior to BlackRock’s merger with Merrill Lynch Investment Managers (MLIM), he served as Chief Investment Officer of the Municipal Products Group. He was employed by Merrill Lynch from 1990 to 2006. Before Merrill Lynch, he worked for the City of Boston Treasury Department. John is a member of the firm’s Senior Leadership Team. He graduated with an MBA and Certificate of Public Management from Boston University and with a Bachelors degree in Finance, cum laude, from Utah State University where he was a Harry S. Truman Scholar. He is a CFA Charterholder..
Chartered Financial Analyst
Products Managed
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The Morningstar Rating™ for funds, or "star rating", is calculated for managed products (including mutual funds, variable annuity and variable life subaccounts, exchange-traded funds, closed-end funds, and separate accounts) with at least a three-year history. Exchange-traded funds and open-ended mutual funds are considered a single population for comparative purposes. It is calculated based on a Morningstar Risk-Adjusted Return measure that accounts for variation in a managed product's monthly excess performance, placing more emphasis on downward variations and rewarding consistent performance (this does not include the effects of sales charges, loads, and redemption fees). The top 10% of products in each product category receive 5stars, the next 22.5% receive 4 stars, the next 35% receive 3 stars, the next 22.5% receive 2 stars, and the bottom 10% receive 1 star. The Overall Morningstar Rating for a managed product is derived from a weighted average of the performance figures associated with its three-, five-, and 10-year (if applicable) Morningstar Rating metrics. The weights are: 100% three-year rating for 36-59 months of total returns, 60% five-year rating/40% three-year rating for 60-119 months of total returns, and 50% 10-year rating/30% five-year rating/20% three-year rating for 120 or more months of total returns. While the 10-year overall star rating formula seems to give the most weight to the 10-year period, the most recent three-year period actually has the greatest impact because it is included in all three rating periods.
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