Leadoff witness Thomas Okarma, president of biotechnology company Geron Corporation, urged that current restrictions should be kept.

CNN: Health - House members open hearings on human cloning

President Thomas Okarma, speaking on behalf of the Biotechnology Industry Organization, underscored the numerous benefits of human cloning research and expressed opposition to the all-out ban.

CNN: U.S. lawmakers debate limits on human cloning

Geron's current CEO, Thomas Okarma , believes the first uses of embryonic stem cells as a therapy will have to make use of powerful drugs that suppress the immune system.

FORBES: Cloning's High Cost