On a farm in the southern US state of Virginia, David Ayares and his research teams are breeding genetically modified pigs to transplant their organs into human patients. Revivicor, the biotech ...

“These are precious animals,” said David Ayares of Revivicor Inc., who spent decades learning to clone pigs with just the right genetic changes to allow those first audacious experiment ...

Dr. David Ayares is the president and chief scientific officer of Revivicor, the United Therapeutics-owned company that raised the gene-edited pigs used for Bennett's and others' transplants.

David Ayares and his research teams are breeding genetically modified pigs to transplant their organs into human patients. Revivicor, the biotech company Ayares leads, is at the forefront of ...