Twin Newsletter

You can earn money just by referring a pair of twins to our Registry. If they join, we'll send you $25.

Learn about how twins are helping us providing insight into human behavior and genetic links. For more details, read our newsletters:

Contact Us

Inquiries or comments on the Twin Registry are welcome and can be directed to:

Center for Health Sciences
SRI International
333 Ravenswood Avenue
Menlo Park, CA 94025
SRITWIN@sri.com

Phone: 1-800-SRI-TWIN (1-800-774-8946)
Fax: 650-859-5099