Dr. Nathaniel (Niel) Tashima is one of the two founding and Managing Partners of LTG Associates, Inc., the oldest anthropologically based consulting firm in North America. For four decades, he has led projects that have helped to shape policy and services that affect the health and welfare of minority and at-risk communities. Clients have ranged from community-based organizations and foundations, to local, state, federal, and international agencies. In addition to being an active social scientist, Niel is responsible for oversight of the administrative functioning of the firm.

Niel is a past president of the National Association for the Practice of Anthropology (NAPA), a past member of the American Anthropological Association (AAA) Executive Board, and a current member of the Board of the Society for Applied Anthropology (SfAA). He is a long-standing member of WAPA. He chairs the NAPA Mentor program which matches new/young professionals with seasoned professional anthropologists. He co-chairs the NAPA committee responsible for the annual Careers Expo.