The site SearchingForMySpermDonorFather.org was created by Tom and is a registry with a list of donor-offspring looking for their biological parents and sperm donors looking for their biological children. Any person conceived by donated sperm who is interesting in finding and meeting their sperm donor (or "birth father") and any sperm donor seeking contact with their biological children may join.
If you are trying to trace biological relatives and would like to join you may get in touch with us via the Contact page. All you need to do is provide basic personal details and photos.
Other recommended ways of searching
We strongly recommend that every donor-conceived male and every sperm donor register for a Y-chromosome test with Family Tree DNA.com.
The Donor Sibling Registry is an international registry of sperm donors and donor offspring, and it is very useful to register there.
United Kingdom
Any people conceived in, or sperm donors who donated in the United Kingdom should join UK DonorLink.