Northwestern Mutual has made several changes to its senior leadership team, promotions of which are slated to take effect Jan. 1, 2021, the Milwaukee-based life insurance company recently announced. "Our leaders are critical to driving our company's success – and today, I'm pleased to announce we are promoting six individuals into broader executive roles," Northwestern Mutual chairman, president and chief executive officer John Schlifske said in a statement. "These promotions reflect the strength of our leadership across the company, underscore our commitment to developing talent, and ensure we have the depth of leadership to continue transforming our business to provide more people financial security." Northwestern Mutual’s chief investment officer, Ron Joelson, will become president of Northwestern Mutual Investment Management Company. In this newly created role, Joelson will engage the company’s clients and advisors on key topics, including the insurer’s integrated financial planning approach. Jeff Lueken, who joined the company in 1988 and most recently led Northwestern Mutual Capital, will succeed Joelson as chief investment officer. Lueken will lead the teams responsible for managing the company’s $290 billion general account portfolio. Dan Julka will succeed Lueken as leader of Northwestern Mutual Capital, which manages $60 billion in private securities. A member of the investment team since joining the company in 2005, Julka most recently led a team involved in originating, structuring and managing private debt and equity transactions. David Simbro will become vice president-risk products conviction. Simbro has been with Northwestern Mutual since 1983, holding various positions of increasing responsibility and most recently as head of risk products. Kamilah Williams-Kemp will be promoted to head of risk products, leading product lines for life insurance, disability income insurance, long-term care insurance and annuities. Williams Kemp joined the company in 1999 and previously led the company’s underwriting department. Williams-Kemp will be the first woman and African American at Northwestern Mutual to assume leadership of all risk product lines and annuities. Deborah Schultz will assume leadership of the company’s underwriting department, succeeding Williams-Kemp. Schultz joined the company in 2005 and previously led the financial management department, which is responsible for budget and expense management, vendor management, insurable risk management and treasury.