John Saf contributes 28 years of investment industry experience. Prior to joining Calamos in 2017, he served as a managing director and portfolio manager at Oppenheimer Investment Management (2006-2017). In this role, he was responsible for nearly $1 billion in assets, including insurance portfolios. From 1995-2006, John served at 40|86 Advisors (formerly Conseco Capital Management), where he held a variety of positions, including fixed income portfolio manager, where he co-managed more than $25 billion in insurance portfolios and had responsible for asset allocation decisions. He also served as a credit research analyst and as Director of Asset Liability Management. Earlier in his career, he worked at American Life and Casualty and at Ernst and Young. He holds a BSBA from Drake University, with a joint major in actuarial science and accounting. In addition to being a CFA charterholder and Certified Public Accountant (inactive), John is a Fellow in the Life Management Institute.