In Defense of Animals

3010 Kerner Blvd
San Rafael CA  94901

Phone: (415) 448-0048

In Defense of Animals

Our History

In early 1983, veterinarian Dr. Elliot Katz was contacted by animal activists and discovered scandalous conditions inside UC Berkeley’s animal laboratories — an event that changed animal protection history. Living in cramped and filthy facilities, animals were sick and dying while campus veterinarians were prevented from providing treatment to those in need. Dr. Katz formed Californians for Responsible Research, which filed a lawsuit against USDA, forcing them to issue a cease and desist order against UC Berkeley. Ultimately, Berkeley was fined $12,000 for violating the Animal Welfare Act. Californians for Responsible Research was renamed In Defense of Animals, and for over 33 years it has become a force to reckon with — foremost in animal advocacy.

Dr. Katz today advises the organization as President Emeritus, while Dr. Marilyn Kroplick, a medical doctor and psychiatrist, serves as President. Since 2011, Dr. Kroplick has applied her unique knowledge and fresh approach to become a visionary animal protection leader.

The Need

Sadly, animal suffering and exploiting is the status quo. Millions of animals around the world suffer as objects of entertainment, food, experiments, clothing, or throwaway creatures pushed out of habitat, by human expansion.

Most people denounce animal suffering. In Defense of Animals has developed a unique approach to sow seeds of compassion to end cruelty. We strive to instill a new balance, in awaken awareness, and foster harmony -- between animals, humans, and the environment.

Our Mission

Our mission: to defend animals, humans and the environment from abuses and exploitation, and to foster peace between all life. We educate and expose animal abuse as a root cause, symptom, and early predictor of wider societal violence. We advocate change in laws, human behavior, and enlightenment in the need to protect lives, advance rights, improve welfare, and steward environmental protection. We care for and rehabilitate lost, orphaned, abandoned, and abused animals inside three main sanctuaries.

We believe communication is essential for sustainable activism. In Defense of Animals models relaxed tenacity, determined compassion and peaceful transformation: within the individual, within organizations, and within the movement of animal protection. We work together to challenge the status quo and replace a world-view of innate human domination, violence, and superiority of a higher human identity over other sentient beings.

Our Vision

Our vision is to transform the world, elevate everyone’s innate potential, and teach sacred respect for all life forms. We promote harmony and peaceful relationships between humans, animals, and the environment that sustains all life forms.

We commit ourselves to awaken the world to life free of exploitation — of animals, humans and the environment; a place where conflicts are rarely expressed. In Defense of Animals aims to become a role model that acts from a balanced center of creative compassion, adapts with empathy, and fosters harmonious relationship between animals, humans and the environment.

Compassion resides in every human heart. As we spread our positive message, our movement grows stronger. This positive feedback cycle encourages more and more people to join our animal advocacy, grows our political power, and reduces all life suffering worldwide.

With help like yours, we are making the world a better place for animals, humans and the environment.

Fighting for animals, people and the environment… since 1983

In Defense of Animals is an international animal protection organization with over 250,000 valued supporters and a 30-year history of protecting animals, people and the environment through education, campaigns and hands on rescue facilities in India, Africa, and rural Mississippi. Our main headquarters are established in San Rafael, California.

We foster a supportive and inclusive community at In Defense of Animals. Our page is for animal activists to enjoy, discuss, communicate and take action for animals. We take racism, homophobia, sexism and violent comments very seriously.

Although we are

In Defense of Animals is an international animal protection organization dedicated to ending the exploitation and abuse of animals by raising the status of animals beyond that of mere property, and by defending their rights, welfare and habitat. IDA's eff

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Business Information


Founded: 1983

Categories: Charity Organization, Non-Profit Organization, Organization




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Past Events

Burn With Us: Branding in Solidarity With Animals

Burn With Us: Branding in Solidarity With Animals
12:00 pm - 06/03/2018

At In Defense of Animals

Brave activists will be branded with a burning hot iron to show solidarity with animals who are painfully mutilated on farms. Arrive promptly so you don't miss...

Activist Tools for Equanimity

Activist Tools for Equanimity
05:00 pm - 04/05/2018

At In Defense of Animals

How we show up as activists is the soil in which we plant our intentions. If we want to skillfully change the external world, it’s essential that we change our...

Tell Us Your Activist Struggles!

Tell Us Your Activist Struggles!
05:00 pm - 03/22/2018

At In Defense of Animals

What are the biggest setbacks that you face in your efforts to help animals? Do you feel pulled in different directions by your work, family and volunteer duties?...

Climate Change and Our Food Choices

Climate Change and Our Food Choices
05:00 pm - 03/01/2018

At In Defense of Animals

Do you know how your daily food choices affect the environment? If you care about the fate of our planet, don’t miss our webinar on climate change with environmental...

Share Your “Me Too” Stories

Share Your “Me Too” Stories
05:00 pm - 02/22/2018

At In Defense of Animals

Register Now: bit.ly/2ebzlfx Are you concerned about sexism in the animal rights movement? We are! That’s why we hosted a webinar on this topic with philosopher-activist...

Mindfulness for Activists with Lani Muelrath

Mindfulness for Activists with Lani Muelrath
10:00 am - 02/15/2018

At In Defense of Animals

Register Now: idausa.org/aamwebinars Reactivity rules much of our days. Stress eating, irritability, zoning out online, obsessing over one thing or another—no...

Improve Your Relationships with Dr. Melanie Joy

Improve Your Relationships with Dr. Melanie Joy
10:00 am - 02/13/2018

At In Defense of Animals

Register Now: idausa.org/aamwebinars Do you want to decrease conflict and increase connection with others? As activists, our advocacy depends on our communication...

World Zoothanasia Day: 1 Minute Silence for Animal Victims

World Zoothanasia Day: 1 Minute Silence for Animal Victims
12:00 pm - 02/09/2018

At In Defense of Animals

Wherever you are on February 9, please join us in spirit to remember the countless animal victims of unethical zoo killings during a one minute silence at noon: -...

Is Sexism Harming Our Activism for Animals?

Is Sexism Harming Our Activism for Animals?
05:00 pm - 02/01/2018

At In Defense of Animals

Register Now: bit.ly/2gHNOWp At In Defense of Animals, February is Activist Appreciation Month, which is the perfect opportunity to improve activist solidarity...

What Are Your Activist Intentions for 2018?

What Are Your Activist Intentions for 2018?
05:00 pm - 01/25/2018

At In Defense of Animals

Register Now: bit.ly/2ebzlfx Self-reflection can clarify your individual intentions to help an animal or group of animals. The beginning of a new year is the perfect...

Vegan Cooking & Food Psychology with Chef Kathleen & Dr. Marilyn

Vegan Cooking & Food Psychology with Chef Kathleen & Dr. Marilyn
06:00 pm - 01/18/2018

At In Defense of Animals

Carnivores Anonymous is thrilled to announce our online vegan cooking show featuring In Defense of Animals President Marilyn Kroplick, MD, and Wellness and Vegan...

Mindfulness Supports Our Activism

Mindfulness Supports Our Activism
05:00 pm - 01/04/2018

At In Defense of Animals

Register Now: bit.ly/2gHNOWp At the 2017 Animal Rights National Conference, Bob Isaacson co-facilitated a workshop on mindfulness and meditation for activists,...

Vegan Holiday Strategies

Vegan Holiday Strategies
05:00 pm - 12/28/2017

At In Defense of Animals

Register for Free Now: bit.ly/2ebzlfx For those who care about animals, knowing the vast number of animals who are sacrificed during the holidays can put real...

Overcoming Compassion Fatigue with Dr. Hope Ferdowsian

Overcoming Compassion Fatigue with Dr. Hope Ferdowsian
05:00 pm - 12/07/2017

At In Defense of Animals

Register Now! bit.ly/2gHNOWp Frequent contact with violent images and experiences exposes advocates to the risk for their own post-traumatic stress symptoms. Virtually,...

Memorial for Animal Victims of Canyon 2 Fire

Memorial for Animal Victims of Canyon 2 Fire
01:00 pm - 12/02/2017

At In Defense of Animals

In Defense of Animals and Otra Mas Horse Rescue invite you to attend a Memorial Ceremony for the animal victims who perished in the deadly Canyon 2 fire. Firefighters,...

City Hall Vigil: No Dolphins in Mississippi Aquarium!

City Hall Vigil: No Dolphins in Mississippi Aquarium!
04:30 pm - 11/07/2017

At In Defense of Animals

Gulfport, Mississippi is about to make a huge mistake for the state with its plans to imprison dolphins in a new aquarium - don't let it happen! Join us on Tuesday...

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