Sean H. Osborn, MSW  

  Specializing in the Indian Child Welfare Act  

My Process

  • Receive copies of child welfare case
  • Review all received information
  • Interview social worker (as needed)
  • Interview children (as needed)
  • Interview parents (as needed)
  • Speak with Tribe (as needed)
  • Other interviews (as needed)
  • Prepare Declaration
  • Testify in Court (as needed)
  • Provide feedback to County as requested

Providing Expert Witness Services In California

I am a qualified expert witness within the State of California. I have had the pleasure of working with numerous counties within Central and Northern California in the preparation of ICWA Declarations. I have currently prepared over 100 declarations/testimony as an expert witness.

I have a Bachelor's Degree in Anthropology with a focus on Native Americans. In addition I have a Master's Degree in Social work and my Master's thesis was on culturally relevant services and the Indian Child Welfare Act. 

Below you will find a list of some of the counties which I have prepare declartions for. You will also find a list of some of the Tribes which were the Indian Child's Tribe for the declarations I have prepared.

Native American Tribes


  • Cherokee Nation of Oklahoma
  • Cheyenne River Sioux
  • Chickasaw Nation of Oklahoma
  • Chicken Ranch Rancheria of Me-Wuk Indians
  • Choctaw Nation of Oklahoma
  • Cocopah Indian Tribe
  • Crow Creek Sioux Indian Tribe
  • Northfork Rancheria of Mono Indians
  • Paskenta Band of Nomlaki Indians
  • Picayune Rancheria of the Chukchansi Indians
  • Pit River Indians
  • Potawatomi
  • Round Valley Indian Tribes
  • San Carlos Apache
  • Santa Rosa Rancheria
  • Smith River Rancheria
  • Tule River Indian Tribe
  • Turtle Mountain Tribe
  • Calaveras
  • Fresno
  • Kern
  • Madera
  • Santa Clara
  • Santa Cruz
  • Stanislaus
  • Tulare
  • Tuolumne
  • Yolo