A master impersonator, Darrell Hammond's uncanny renditions of Bill Clinton, Geraldo Rivera, Chris Matthews, Sean Connery, and others leave audiences roaring with laughter. His dead-on depictions of some of America's most famous faces are smart, poignant, and, of course, hilarious.

For 28 years, comedian Kathleen Madigan has been touring 250 nights on the road and squeezing in hour-long filmed specials and performances on every late night show ever made. From 25 appearances on "The Tonight Show" and multiple appearances on Letterman and Conan to recently riding around with Jerry Seinfeld in his internet series "Comedians in Cars Getting Coffee," Madigan is still having a blast and selling out theaters across the country. She's won the American Comedy Award for "Best Female Comedian" and the Phyllis Diller award for "Best Female Comedian." She has written and produced for Lewis Black's "Root of All Evil" on Comedy Central and done multiple USO tours in Iraq and Afghanistan.

Sir Ranulph Fiennes was, with Charles Burton, the first man to reach both poles by surface travel and, with Mike Stroud, the first to cross the Antarctic Continent unsupported.

The live performances of celebrated conjurer, “Stand Up Magician” Derek Hughes, have been lauded by audiences and critics alike, with the New York Times calling him “thoroughly entertaining.” Hughes has performed his magic on MTV, VH1, Comedy Central, and the CW's Penn & Teller: Fool Us. He's a consulting producer on TRUtv’s hit magic series, “The Carbonaro Effect” and was a top ten finalist on NBC's “America’s Got Talent”.

Jeff Kreisler is a best-selling author and financial columnist whose prized insights on the intersection of behavioral science and money have been featured by TEDx, MSNBC, CNN, SiriusXM, and more. Jeff’s research on how human behavior drives spending and saving habits, economic ebbs and flows, and the future of our markets led to his best-selling book Dollars and Sense: How We Misthink Money and How to Spend Smarter. The work was named a “Best Book of the Year” by Business Insider, Audible, Huffington Post, and The Washington Post. It was also named the “#1 Book Every FinTech Professional Should Read in 2018” by the global fintech company Strands. Jeff is currently the Head of Behavioral Science at JP Morgan Chase, where he is leading financial decision-making thought leadership and innovation efforts.

Dr. John Grotzinger is the chief scientist and head of strategic planning for the Mars Science Laboratory Rover mission, which riveted the country with its dare-devil landing in August 2012. A geologist, he hopes to gain more understanding of Earth’s evolution through the study of Mars. Grotzinger was also a part of the team that made the discovery of evidence for liquid water on ancient Mars. He discusses strategic planning, motivating teams, and the need to take on a “grand challenge” while sharing amazingly unique and cutting-edge stories, video, and photos about space.

Bill Weir is a veteran anchor, writer, producer, and host who came to CNN in 2013 after a decade of award-winning journalism at ABC News. In 2019, he was named the network's first Chief Climate Correspondent, drawing on his experience creating and hosting the primetime CNN Original Series "The Wonder List with Bill Weir." With his distinctive storytelling style, lush photography and a focus on our connected planet, Weir shot three seasons of his show across 26 countries, highlighting wondrous people, places, cultures, and creatures on the brink of seismic change.

Joel fuses his knowledge of improvisation and his experience with the corporate world to create presentations that make a difference. His humor and style create a positive and comfortable environment for his audience that allows them to take risks and explore their creativity.

Former Wall Street lawyer, investment banker and now rising star on the comedy scene, Mecurio combines his quick wit and intelligence with his innovative improv abilities to create a hilarious and unique comedy experience.

Tim Peake is a former Apache pilot, flight instructor, test pilot and current European Space Agency astronaut. A veteran of 18 years military service, Tim has flown over 3,000 hours on operations worldwide. In December 2015, Tim became the first British astronaut to visit the International Space Station and conduct a spacewalk during his six-month mission, Principia, where he captured the hearts and minds of millions. Tim’s mission engaged more than two million students in outreach activities. He has a background as a test pilot and a British Army Air Corps officer, and he is also a best-selling author. In addition to his achievements, he ran the London marathon from space. He is an ambassador for STEM Education, The Prince’s Trust, and the Scout Association.

Jessica Cox has famously eliminated the words “I can’t” from her vocabulary. Despite being born without arms due to a birth defect, she has never allowed that to be a limiting factor. While Jessica suffered from self-esteem issues and physical challenges, she managed to overcome and achieve by graduating from college, learning to swim, drive a car, surf, scuba dive, and fly an airplane, becoming a Tae Kwon-Do State Champion, and living independently using her feet in ways others who take their hands for granted can only imagine. Jessica holds the title of the first person without arms to get a black belt in ATA Martial Arts and the Guinness World Record for the first pilot to fly with her feet. Her keynote speech focuses on turning “impossible” into “accomplishment.” As a person who has never viewed herself as a victim of her condition, Jessica shares humorous stories of struggles and success living in a “two-handed” world. She provides critical insight on how best to approach a challenge, redefining the concept of innovative thinking. She helps people reconnect with their own inner strengths and aptitudes.

As a corporate put-on comedian and emcee, Harry Freedman has performed for hundreds of Fortune 1000 companies, and is frequently rated ‘best speaker’ at their conferences and perhaps the only individual ever to have been profiled in the business sections of The New York Times, Miami Herald, Newsday, and the International Herald Tribune. As a stand-up comedian, Harry is a regular opening act for Ray Romano, and as an actor, he has appeared on shows like CBS's hit sitcom Everybody Loves Raymond and TNT's Men Of a Certain Age. With over three decades experience from the clubs of Las Vegas to the corporate boardroom, Harry Freedman is a comic you can trust and that audiences across all industries will love. Harry will create the perfect fake industry expert or executive for your group and will have everyone fooled with his outrageous quips until they realize they have been had and they are roaring with laughter!