Board of Directors

Jeffery Begay

CEO/Owner of TPM, Inc.


Thom Curleyhair

Arrow Indian Contractors, Inc.

Vice Chair

Al Henderson.jpg

Al Henderson
UNM Gallup


Jeff Begay is the sole proprietor of TPM, a tribal project management consulting firm. Jeff has been in construction since 1974, devoting most of his career to project development and management on Native American lands across the United States.  His primary construction management experience has been with large construction companies, both heavy engineering, and commercial contractors. He is very familiar with development challenges in Indian Country and the construction industry in general. His background in construction and working with the various tribal nations have given him good insight into tribal organizations and their development challenges.

Lydelle Davies

Owner of DW

Attorney Support Services, Inc.



Duane Aspaas

Iina Ba, Inc.

Aaron Shorty

Rocksprings Transport

Joan Notah

National Center for American Indian

Enterprise Development

John Lewis


Lydelle Davies, J.D. is a graduate of the Sandra Day O'Connor College of Law, Arizona State University in Tempe, AZ. She was raised along the San Juan River valley in Nenahnezad, Upper Fruitland, and Shiprock Chapters. After more than 25 years of working for tribal entities and organizations, she identified a significant lack of paralegal support services for legal clients on the Navajo Nation. Her business DW Attorney Support Services, Inc., provides legal administrative support and paralegal services to attorneys and advocates licensed to practice law on the Navajo Nation. She has volunteered as a member of the Chamber's Board of Directors for more than 6 years.

Joan Begay Notah is the Senior Procurement Specialist for the National Center American Indian Procurement Technical Assistance Center (PTAC). The PTAC is funded through a cooperative agreement from the Department of Defense (DOD) administered by the Defense Logistics Agency (DLA).  The PTAC provides federal contracting technical assistance to Native American-owned firms and tribal enterprises. Previously, Joan served as the Interim Program Manager for the PTAC program. Prior to the PTAC, she was the Project Director for the AZ Native American Business Enterprise Center funded by the U.S. Department of Commerce and the Minority Business Development Agency (MBDA). She has over 22 years of experience in business development, grants management and federal procurement. Her NABEC program was recognized as MBDA’s highest performing program, highest number of awarded contracts and jobs.

Joan is an enrolled member of the Diné (Navajo) Nation from the community of Kin-Dah-Lichi’i, near Ganado, Arizona. She graduated magna cum laude from Arizona State University with a Bachelor of Science degree in Management and graduated with highest distinction with a Masters of Business Administration (MBA) from Grand Canyon University. She a board member of the Dineh Chamber of Commerce. She has served on the board of directors for the American Indian Chamber of Commerce of Arizona, the Arizona State University Native American Alumni Board, and has served on the Indian Parent Committee for the Chandler Unified School District. Joan is a Certified Supplier Diversity Professional (CSDP) by the Alliance for Supplier Diversity Professionals (ASDP).

John Lewis was born in Tuba City, Arizona on the Navajo reservation, and was raised in Flagstaff with four brothers and three sisters. His mother is a member of the Navajo Nation, and his father was a member of Zuni Pueblo. John studied electronics and robotics at ITT Tech in Phoenix back in the early 1980s. After leaving Arizona, he moved to Santa Fe to pursue an apprenticeship in sculptural arts under the tutelage of Ernest (Cloud Eagle) Mirabal of Nambe Pueblo. John spends much of his free time with his daughter and his two grandsons.

John spent 25 years in the printing industry in Albuquerque while devoting much of his time to volunteering with various nonprofits including the American Indian Chamber of Commerce and the Native American Professional Parent Resources. He eventually started his own business and worked closely with the Navajo Nation and with other tribes and Native American organizations. He has also sat on tribal economic development boards and liaised for tribal business development. John’s professional development adds a long list of contacts and relationships that will benefit the mission of the Dineh Chamber of Commerce and the Navajo Nation’s private business community.

Board Working Committees

Working Committee 1


Working Committee 2


Working Committee 3
Marketing & Public Relations


Working Committee 4
Legal and Policy, Executive Committee

Working Committee 5

Business Development

Working Committee 6
Budget, Finance & Investment