Dr. Gail Gross with Diane Casel, sister of philanthropist Lyn Lear, at TEDWomen 2013.

Dr. Gail Gross with Diane Casel, sister of philanthropist Lyn Lear, at TEDWomen 2013.

Dr. Gail Gross with Diane Casel, sister of philanthropist Lyn Lear, at TEDWomen 2013.