John Lammers, CFA
Co-Chief Investment Officer
John Lammers joined Circumference Group in April 2016 as Co-Chief Investment Officer. Prior to joining Circumference Group, John was a Portfolio Manager at Moore Capital Management in New York for over 7 years. John was solely responsible for making all investment and risk management decisions for global, long-short portfolio of corporate securities.
From 2005 to 2008, John was a Senior Analyst at Chesapeake Partners where he was responsible for value-oriented and event-driven equity and credit investments in an extensive range of industries, geographies and markets.
Prior to joining Chesapeake, John spent five years in the risk arbitrage department at Bear, Stearns & Co. where he held primary research responsibility and investment management discretion for a substantial portion of the firm’s proprietary risk arbitrage portfolio.
John began his career as a Corporate Associate at Cravath, Swaine & Moore focused on mergers and acquisitions, securities transactions and general corporate law.
John graduated Magna Cum Laude from Harvard Law School in 1997 and prior to that earned a BS in Business Administration with Highest Distinction degree from the University of Nebraska at Lincoln.
John is a CFA charterholder.