Mark Hyman, MD, is the editor in chief of Alternative Therapies in Health and Medicine, the best-selling author of UltraMetabolism: the Simple Plan for Automatic Weight Loss (Scribner, 2006) — among other books — and one of the pioneers in the emerging field of functional medicine. Find out more about Dr. Hyman and his innovative health-and-wellness approach through his Web site, www.ultrawellness.com. (Listen to his appearance on Pilar Gerasimo's Get A Whole Life radio show.)

Dan Buettner is the founder of Blue Zones, an organization that explores the five places around the world where people live the healthiest, longest lives. Buettner and his team use what they learn in these "Blue Zones" to educate others about what they can do to be healthy and energetic for the long haul, too. Buettner is also the author of The New York Times bestseller The Blue Zones: Lessons for Living Longer From the People Who've Lived the Longest. Read more about him in "Forever Young" and "Into the Wild Blue Yonder," both featured in our July/August 2006 issue. Find out more about his work at www.bluezones.com.

Now in its third season on PBS, Simple Living with Wanda Urbanska is dedicated to helping you enjoy a healthier, more sustainable, better quality of life. Wanda, the show's host and co-creator, believes in reducing stress, clutter and waste in favor of a more enjoyable, authentic life experience. Read more about editor in chief Pilar Gerasimo's appearance on Simple Living in Wanda's Diary. www.simplelivingtv.net

Cheryl Richardson is the author of several New York Times bestselling books, including Life Makeovers (Broadway Books, 2000) and The Unmistakable Touch of Grace (Free Press, 2006). She was the first president of the International Coach Federation and holds one of their first Master Certified Coach credentials. Listen to her weekly radio show at www.hayhouseradio.com. www.cherylrichardson.com

Cheri Huber has been a student and teacher of Zen for over 30 years. She is the author of 19 books, including Transform Your Life (Keep It Simple, 2007), Making a Change for Good (Shambhala, 2007) and The Depression Book (Keep It Simple, 2004). She is the founder of the Palo Alto Zen Center and the Zen Monastery Peace Center, and the founder and director of Living Compassion, a nonprofit organization dedicated to peace and service. www.cherihuber.com

Elson M. Haas, MD is a medical practitioner with more than 35 years experience in patient care, always with an interest in natural medicine. For the past 30 years, he has been instrumental in the development and practice of Integrated Medicine at the Preventive Medical Center of Marin in San Rafael, Calif., which he founded. He has authored several books, including Staying Healthy With Nutrition (Celestial Arts, 2006) and The New Detox Diet (Celestial Arts, 2004). www.elsonhaas.com

Founder and CEO of Carmichael Training Systems, Chris Carmichael is a coach and trainer who has spent more than two decades in the sport of cycling. He coached cancer survivor Lance Armstrong to several Tour de France victories, and is the author of Food for Fitness: Eat Right to Train Right (Berkley Publishing Group, 2004) and Five Essentials for a Winning Life (Rodale, 2006). www.chriscarmichael.com. (Go here to listen to his appearance on Pilar Gerasimo's Get A Whole Life radio show.)

Marc Middleton is the founder and CEO of Growing Bolder, an online intergenerational community. It got its start after Middleton and a team of friends became frustrated by the refusal of mainstream media to recognize the 50-plus demographic as a real power in today's economy and society. At www.growingbolder.com, they tell the stories of men and women who are smashing the stereotypes of aging and prove that it's not really about age, but attitude. Watch GBTV videos or listen to GB Radio at www.growingbolder.com. 

Once a professional makeup artist for famous models and actresses, Cindy Joseph was "discovered" as a model herself when she was 49. The silver-haired beauty has since appeared in campaigns for Bloomingdale's, Nordstrom and DKNY — to name a few — and graced the cover of Experience Life twice (in December 2005 and July/August 2004). She's a role model for healthy aging who lives life according to what brings her pleasure.

Van Jones is the founder of the Bay Area-based Ella Baker Center for Human Rights, a strategy and action center designed to bring justice, opportunity and peace to urban America. Jones, who appeared in the December 2007 issue of Experience Life, is also working to create a green economy and "green collar" jobs that not only help preserve the environment, but enhance the well-being of workers and their families.

In addition to being a renowned cardiothoracic surgeon at the NewYork Presbyterian/Columbia University Medical Center, Dr. Mehmet Oz is a best-selling author and Oprah regular. With Michael Roizen, MD, he coauthored YOU: The Owner's Manual (HarperCollins, 2005), the first in the YOU: book series. In March, he appeared on the cover of the "Get a Whole Life" issue of Experience Life. You can learn more about his work at www.realage.com.

Brian Johnson, creator of eteamz, Zaadz (now Gaia Community) and thinkArete, is a self-proclaimed (professional) student of life who's inspiring and empowering others to discover and live at their highest potential. His mission is to distill the universal truths of the world's greatest philosophers, mystics and psychologists and to share their wisdom via www.thinkArete.com.

Living life out loud — that’s the mantra of this talk station based in the Twin Cities. Listen online to hit shows such as Ian & Margery, Kevyn Burger, and Lori & Julia. Check out podcasts of Pilar Gerasimo’s radio show, Get a Whole Life, which originally aired on FM 107.1. www.fm1071.com

The Center for a New American Dream is a nonprofit organization based in Takoma Park, Md., that helps Americans consume responsibly to protect the environment, enhance quality of life and promote social justice. www.newdream.org

Located in the Berkshires of western Massachusetts, Kripalu is an educational institution that was formed in 1966 to promote yoga and uplift the physical, mental and spiritual well-being of individuals. It offers more than 750 educational programs and spiritual retreats led by world-renowned teachers, as well as prominent visionaries, authors, artists and inspirational speakers. www.kripalu.org

A personal-growth company based in Independence, Minn., Live Dynamite makes it easier for people to achieve more: happiness, health, wealth and success. Their 12-week program is based on proven life-coaching principles and is all about cultivating positive energy, setting meaningful goals, moving into action and maintaining momentum. www.livedynamite.com

Survivors' Training is a Minnesota-based nonprofit organization that aims to raise awareness of the importance of exercise for cancer survivorship and to promote regular physical activity as an essential therapy for those diagnosed with cancer. Founder Wendy Rahn is a breast-cancer survivor, and she started the organization to close the gap between the research findings and everyday reality for women living with cancer. Read her blog, and learn more at www.survivorstraining.org.

SustainLane is an independent online media company that creates social media properties intended to inspire, entertain, educate, and build community. Coming from a belief that all change starts with small steps, their work is committed to the support of healthy lives, strong local economies, and a restored planet. Learn more at www.sustainlane.com.

Co-op America is a nonprofit membership organization based in Washington, DC, that aims to harness the economic power — the strength of consumers, investors, businesses and the marketplace — to create a socially just and environmentally sustainable society. They work for a world where all people have enough, where all communities are healthy and safe, and where the bounty of the Earth is preserved for all the generations to come. Learn more at www.coopamerica.org.

Gaia Community (formerly known as Zaadz) is a social networking site with a purpose: to inspire and empower you to be the change you want to see in the world. It's a community of individuals committed to supporting each other in being their highest selves and who aspire to live at their greatest potential, seeing the best in others and encouraging them to do the same. Join at www.gaia.com/community.