Katherine Kim Bradtke - Acting President & Secretary

Jayme Hansen - CFO 

Bella L. Siegel-Dalton - Data Director
Tammy Wooldridge - Web Site Administrator

Tia Legoski - Communications Director

David Ryu - Board Member
Dr. Estelle Cooke-Sampson - Board Member

Katherine Kim Bradtke
Acting President & Secretary
Board Member

Jayme Hansen
​Board Member

Born in 1957, Katherine (nee Catty Krohn Kim), was sent for adoption to the US at age three and a half. Originally adopted to Southern California, she moved frequently with her family, spending most of her secondary school years in the Midwest. Katherine received her undergraduate degree in Florida and her master's degree from UCLA. She spent her working career in the teaching and editing fields. Today, Katherine lives in Boston, her children away at university.  She has been active in the Korean Adoptee (KAD) community since 2011 and has been especially interested in adoptee and biracial identity issues. Through DNA testing, Katherine found the family of her American GI father. Though he is deceased, she has made contact with cousins, and her two half brothers. Her search for her mother’s family still continues.

Lt. Col.  Jayme Hansen entered the army as a private and reached the rank of Staff Sergeant during his enlistment, deploying in support of Operation Desert Storm and in a Medical Readiness/Humanitarian tour to Panama. Lt. Col. Hansen has held many posts during his military career. Currently, he serves as the Comptroller, CHRO and DPMO at USAMMCE near Frankfurt, Germany. Lt. Col. Hansen is a graduate of Syracuse University’s MBA and MPA Programs through the Army's LTHET Program. In his spare time, Lt. Col.  Hansen enjoys traveling with his family and volunteering for numerous community outreach programs. Lt. Col. Hansen was an adoptee sent to the US from Korea at the age of 4.5, and he remains passionate about adoption and orphan issues.

Bella L. Siegel-Dalton
Data Director
​Board Member

Tammy Wooldridge
Web Site Administrator 
​Board Member

Born in late 1961 as Ji Soon Lee in Donducheon Korea to a Korean Native (Chueng Hee Lee) and American GI (Irvin Rogers). She was named Bella when she was adopted in 1966 to a family in California. Bella is active in the Korean Adoptee Community, specializing in birth family searches and speaking on and advocating DNA Testing for Amerasians searching for their birth families. A proud Veteran of the United States Coast Guard, she has also managed hotels across the country and has been a Fleet Planner for Chipman Relocations an Agent for United Vanlines for the past 15 years. She and her husband of 32 years have 3 adult children and 4 grandchildren. After a 3 year DNA search, she successfully found her birth father who unfortunately passed away in 2010. She has 6 1/2 siblings and was told that her father knew about her and tried to find her, unsuccessfully. The search for her mother continues.
Born in 1970, Tammy was adopted in 1972 by a Korean and American GI. She was 5 when her adoptive father received orders to return to the US.  He retired from the Army soon after, moving the family to Indiana.  Growing up in Midwest she was fortunate to have been surrounded by Korean culture while attending Korean church with her mother.  She enjoyed training in Taekwondo earning her black belt at 15.  Tammy is a licensed Cosmetologist, Aesthetician and an Educator in both fields.  Her last position was Education Administrator at Excel Academies of Cosmetology in Indianapolis until the campus closed in 2011. She was high school sweethearts with her husband of 26 years.  Mother of 3 (ages 18, 23,25) and Nana to a 4-year-old grandson.  With the help of DNA testing, she has found her paternal Portuguese family.  She feels extremely blessed to have a Sister, Brother, Aunts, Uncles and a Grandfather in his 90's. Tammy is still actively searching for her mother's family.   

Tia Legoski
Communications Director
Board Member

David Ryu (Ryu Taeksang)
Board Member

Born in the city of Bu-pyung in the early 1960s, Tia grew up in South Korea. In 1977 Tia met a group of Hapas for the very first time. They were made up of of biracial young people who all spoke Korean. She felt an incredible fellowship with this community, and they embraced her as their sister and she embraced them. In 1978, Tia came to the US and lived in Florida till 1991. During that time she had to learn English. She also became a mother during those years. When Tia move to California in 1991, she reconnected with a few of her Amerasian friends from South Korea. Tia feels strongly about reuniting families and bridging gaps in cultural differences. Today Tia is in her mid 50s and wants to focus on Hapas… help them reconnect with their cultural and biological origins. Through 325 Kamra, Tia provides both language and culture translation as well as distributes DNA kits to searching families and adoptees.
David is the CEO of ubiTEMS Co. LTD, and a deacon pastor of Jesus Loves Church in Seoul, Korea. Previously he had worked at Hyundai for 20 years. He and the church have been active in providing sponsorship for adoptee homeland tours, and he has served as a host family to visiting adoptees. He's interested in adoptee issues and wants to help adoptees find their biological roots.

Dr. Estelle Cooke-Sampson
​Board Member

Estelle was born in the Busan area of South Korea, around September 1951. She eventually ended up at St. Paul's orphanage in Seoul at about the age of 5. She was adopted by Sgt. Cooke, an African-American soldier and moved to the US, where Washington D.C. eventually became her home. Estelle attended Georgetown Medical School graduating in 1978 and served in the USPHS. Today she is in private practice in radiology and serves on faculty at the Howard University Hospital. Estelle has two adult daughters and is a retired General from the DC National Guard.