Biden met Krein through her brother, Beau, and the two dating in 2010 (viaPeople).
He and Biden currently live in Philadelphia, a short drive away from her family.
Howard Krein is an accomplished medical professional passionate about philanthropy
Krein has some serious academic prowess.
According to ABC, patients have remarked on his warm bedside manner.
Krein and his social worker wife share a passion for philanthropy.
Krein has also volunteered with victims of domestic violence and soldiers returning from Iraq and Afghanistan.
To relax, he enjoys techno music and rodeo competitions (viaObserver).
