To obtain a copy of one or more of these brochures, contact your representative. The financial advisor serves as the investment advisor and relationship manager, while Northwestern Mutual’s PCS investment team provides the investment management. Work History. We can also monitor your progress to help make sure you stay on track or determine if any adjustments need to be made. Northwestern Mutual is the marketing name for The Northwestern Mutual Life Insurance Company, Milwaukee, WI NM life and disability insurance, annuities, and life insurance with long-term care benefits and its subsidiaries. Working together, we can help you develop a complete, tailored strategy to help you achieve your financial goals.