Mary Ellen Hannibal

Mary Ellen Hannibal

Keynote Speaker: Environmental Journalist & Science Communicator; Award-Winning Author of "Citizen Scientist"; Contributor to The New York Times & Science

Mary Ellen Hannibal Biography

Mary Ellen Hannibal is an environmental journalist and author whose work bridges science, literature, and conservation. Her career began as a New York magazine editor focused on literary topics before shifting to science and environmental reporting. Hannibal serves as a communicator between scientists and the general public, translating scientific concepts for general readers and often contextualizing them within art and literature.

Hannibal is the author of five books, including "The Spine of the Continent: The Race to Save America's Last, Best Wilderness," which explores the environmental significance of the Rocky Mountains from Waterton Lakes in Canada to Sonora in Mexico. The book details the development of conservation biology in the American West. "Citizen Scientist: Searching for Heroes and Hope in an Age of Extinction" traces the origins of the citizen science movement and was recognized as a best book of the year by the San Francisco Chronicle and received a Nautilus Book Award. Hannibal's interest in citizen science began during research for her book "Evidence of Evolution," when the extinction crisis became apparent through her interviews with scientists.

She is also the creator and writer of "Nature in the City," a spatio-temporal map of San Francisco that synthesizes more than 50 maps and tells stories of change over time. Hannibal has researched and written extensively about butterflies, weaving together themes of art, science, biography, history, landscape, and wildlife, including the life and work of Vladimir Nabokov, known for "Lolita" and his contributions as a lepidopterist and citizen scientist. She has delivered a TED Talk on butterflies and the human soul, connecting scientific inquiry with broader human themes.

Hannibal's awards and fellowships include the National Society of Science Writers' Science and Society Award, Stanford University's Knight-Risser Prize for Western Environmental Journalism, an Alicia Patterson Foundation Fellowship, and a Stanford University Media Fellowship. In addition to her books, she writes for Bay Nature, The San Francisco Chronicle, The New York Times, Nautilus, Science, Anthropocene, and other publications. Hannibal is an adjunct professor at California College of the Arts in the Design Graduate Program. She serves on the board of the San Francisco Botanical Garden and is involved with organizations such as Stanford University's Jasper Ridge Biological Reserve, Voices for Biodiversity, the American Geophysical Union, and the Wildlands Network's Rewilding Leadership Council. Through her writing, teaching, and advocacy, Hannibal contributes to the fields of environmental journalism, conservation, and science communication.

Contact a speaker booking agent to check availability on Mary Ellen Hannibal and other top speakers and celebrities.

Mary Ellen Hannibal Videos

How you can help save the monarch butterfly -- and the planet
Can Citizen Science Save Us? | Mary Ellen Hannibal ...
A talk with author Mary Ellen Hannibal about citizen science and ...

How do I book Mary Ellen Hannibal to speak at my event?

Our experienced booking agents have successfully helped clients around the world secure speakers like Mary Ellen Hannibal for speaking engagements, personal appearances, product endorsements, or corporate entertainment since 2002. Click the Check Schedule button above and complete the form on this page to check availability for Mary Ellen Hannibal, or call our office at 1.855.383.8805 to discuss your upcoming event. One of our experienced agents will be happy to help you get speaking fee information and check availability for Mary Ellen Hannibal or any other speaker of your choice.

How much does it cost to book Mary Ellen Hannibal for a speaking engagement?

Speaking fees for Mary Ellen Hannibal, or any other speakers and celebrities, are determined based on a number of factors and may change without notice. The estimated fees to book Mary Ellen Hannibal are Below $10,000 for live events and Below $10,000 for virtual events. For the most current speaking fee to hire Mary Ellen Hannibal, click the Check Schedule button above and complete the form on this page, or call our office at 1.855.383.8805 to speak directly with an experienced booking agent.

What topics does Mary Ellen Hannibal speak about?

Mary Ellen Hannibal is a keynote speaker and industry expert who speaks on a wide range of topics such as Author, Non-Fiction Authors, Journalist, Animals & Wildlife, Conservation, Technology, Climate Change, Environmental Science, Environment, Sustainability, Women in Tech, TED and Environmental Activism.

Where does Mary Ellen Hannibal travel from?

Mary Ellen Hannibal generally travels from San Francisco, CA, USA and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances.

Who is the agent for Mary Ellen Hannibal?

AAE Speakers Bureau has successfully secured keynote speakers like Mary Ellen Hannibal for clients worldwide since 2002. As a full-service speaker booking agency, we have access to virtually any speaker or celebrity in the world. Our agents are happy and able to submit an offer to the speaker or celebrity of your choice, letting you benefit from our reputation and long-standing relationships in the industry. Please click the Check Schedule button above and complete the form on this page including the details of your event, or call our office at 1.855.383.8805, and one of our agents will assist you to book Mary Ellen Hannibal for your next private or corporate function.

What is a full-service speaker booking agency?

AAE Speakers Bureau is a full-service speaker booking agency, meaning we can completely manage the speaker’s or celebrity’s engagement with your organization from the time of booking your speaker through the event’s completion. We provide all of the services you need to host Mary Ellen Hannibal or any other speaker of your choice, including offer negotiation, contractual assistance, accounting and billing, and event speaker travel and logistics services. When you book a speaker with us, we manage the process of hosting a speaker for you as an extension of your team. Our goal is to give our clients peace of mind and a best-in-class service experience when booking a speaker with us.

Why is AAE Speakers Bureau different from other booking agencies?

If you’re looking for the best speaker recommendations, paired with a top-notch customer service experience, you’re in the right place. At AAE Speakers Bureau, we exclusively represent the interests of our clients - professional organizations, companies, universities, and associations. We intentionally do not represent the speakers we feature or book. That is so we can present our clients with the broadest and best performing set of speaker options in the market today, and we can make these recommendations without any obligation to promote a specific speaker over another. This is why when our agents suggest a speaker for your event, you can be assured that they are of the highest quality with a history of proven success with our other clients.


Mary Ellen Hannibal is a keynote speaker and industry expert who speaks on a wide range of topics including Author, Non-Fiction Authors and Journalist. The estimated speaking fee range to book Mary Ellen Hannibal for live events is Below $10,000, and for virtual events Below $10,000. Mary Ellen Hannibal generally travels from San Francisco, CA, USA and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances. Similar motivational celebrity speakers are Alexandra Cousteau, Ayana Elizabeth Johnson and Jasmine Crowe-Houston. Contact All American Speakers for ratings, reviews, videos and information on scheduling Mary Ellen Hannibal for an upcoming event.

Speaker profile last updated by AAE Talent Team on 06/05/2026.

Mary Ellen Hannibal Videos

How you can help save the monarch butterfly -- and the planet
Can Citizen Science Save Us? | Mary Ellen Hannibal ...
A talk with author Mary Ellen Hannibal about citizen science and ...
  • How do I book Mary Ellen Hannibal to speak at my event?

    Our experienced booking agents have successfully helped clients around the world secure speakers like Mary Ellen Hannibal for speaking engagements, personal appearances, product endorsements, or corporate entertainment since 2002. Click the Check Schedule button above and complete the form on this page to check availability for Mary Ellen Hannibal, or call our office at 1.855.383.8805 to discuss your upcoming event. One of our experienced agents will be happy to help you get speaking fee information and check availability for Mary Ellen Hannibal or any other speaker of your choice.
  • How much does it cost to book Mary Ellen Hannibal for a speaking engagement?

    Speaking fees for Mary Ellen Hannibal, or any other speakers and celebrities, are determined based on a number of factors and may change without notice. The estimated fees to book Mary Ellen Hannibal are Below $10,000 for live events and Below $10,000 for virtual events. For the most current speaking fee to hire Mary Ellen Hannibal, click the Check Schedule button above and complete the form on this page, or call our office at 1.855.383.8805 to speak directly with an experienced booking agent.
  • What topics does Mary Ellen Hannibal speak about?

    Mary Ellen Hannibal is a keynote speaker and industry expert who speaks on a wide range of topics such as Author, Non-Fiction Authors, Journalist, Animals & Wildlife, Conservation, Technology, Climate Change, Environmental Science, Environment, Sustainability, Women in Tech, TED and Environmental Activism.
  • Where does Mary Ellen Hannibal travel from?

    Mary Ellen Hannibal generally travels from San Francisco, CA, USA and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances.
  • Who is the agent for Mary Ellen Hannibal?

    AAE Speakers Bureau has successfully secured keynote speakers like Mary Ellen Hannibal for clients worldwide since 2002. As a full-service speaker booking agency, we have access to virtually any speaker or celebrity in the world. Our agents are happy and able to submit an offer to the speaker or celebrity of your choice, letting you benefit from our reputation and long-standing relationships in the industry. Please click the Check Schedule button above and complete the form on this page including the details of your event, or call our office at 1.855.383.8805, and one of our agents will assist you to book Mary Ellen Hannibal for your next private or corporate function.
  • What is a full-service speaker booking agency?

    AAE Speakers Bureau is a full-service speaker booking agency, meaning we can completely manage the speaker’s or celebrity’s engagement with your organization from the time of booking your speaker through the event’s completion. We provide all of the services you need to host Mary Ellen Hannibal or any other speaker of your choice, including offer negotiation, contractual assistance, accounting and billing, and event speaker travel and logistics services. When you book a speaker with us, we manage the process of hosting a speaker for you as an extension of your team. Our goal is to give our clients peace of mind and a best-in-class service experience when booking a speaker with us.
  • Why is AAE Speakers Bureau different from other booking agencies?

    If you’re looking for the best speaker recommendations, paired with a top-notch customer service experience, you’re in the right place. At AAE Speakers Bureau, we exclusively represent the interests of our clients - professional organizations, companies, universities, and associations. We intentionally do not represent the speakers we feature or book. That is so we can present our clients with the broadest and best performing set of speaker options in the market today, and we can make these recommendations without any obligation to promote a specific speaker over another. This is why when our agents suggest a speaker for your event, you can be assured that they are of the highest quality with a history of proven success with our other clients.
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