Ingrid is an animal activist and the president of People for the Ethical Treatment of Animals (PETA), the world's largest animal rights organization. She is the author of several books, including The PETA Practical Guide to Animal Rights: Simple Acts of Kindness to Help Animals in Trouble and Animalkind: Remarkable Discoveries About Animals and Revolutionary New Ways to Show Them Compassion. Ingrid has worked for the animal-protection movement since 1972. She has been given the following awards: Washingtonian of the Year, 1980; Courage of Conscience Award, 1995; Shining World Compassion Award, 2007; Ahimsa Award, 2014 and the Peter Singer Prize for Strategies to Reduce the Suffering of Animals, 2016.
Ingrid is an abolitionist and a vegan, implying a sentiocentric moral scope. She is also an atheist, implying she has a naturalistic worldview.