King is the co-owner of MillerStrategic Consulting, LLC (MSC), a consulting practice that has specialized in entrepreneurial activities through investing and actively participating in the management and development of start-up companies and nonprofit organizations. Since the mid-1980s, MSC has participated in the formation of approximately 15 companies and nonprofit organizations.
MSC currently provides organizational consulting and specialty compliance services to nonprofit charities, foundations, and hybrid organizations.
King is also the Finance & Operations Director of Creative Santa Fe, a nonprofit organization with a mission to leverage creativity and design to build a more vibrant, resilient, and inclusive community.
King has been actively involved with several other nonprofits in Santa Fe, including ARTsmart, Santa Fe Railyard Park, SITE Santa Fe, and The Trust for Public Land.