Claudia Cragg

 Daniel Costello

 Daniel Costello is an independent public radio producer whose features have aired on Free Speech Radio News and KGNU in Boulder and Denver.  He reported on the Colorado State Legislature for the High Country Community Radio Coalition's Capitol Coverage Project.  He is a frequent contributor to How on Earth, the KGNU science show, and holds a Master's Degree in Geology from the University of Colorado at Boulder.  He is also a trainer for KGNU volunteers and the KGNU Youth radio program.

 Ellen Mahoney

 Ewen Callaway

 Ewen Callaway worked for How On Earth from February 2005 to September 2006 as a writer, producer, sound engineer, and host.  His interests include microbiology, infectious diseases, and the intersection of science and politics.  He writes about these issues at his blog Complex Medium.  He continues to occasionally contribute to How on Earth from his new home at the science writing program at the University of California Santa Cruz.

 Joel Parker

 Joel Parker is a research astronomer and Assistant Director of Space Studies at the Southwest Research Institute.  He studied astronomy and physics at the University of California at Berkeley and University of Colorado at Boulder, receiving his Ph.D. in 1992. He has worked at NASA in Houston and Maryland, and among other projects has been a scientist for telescopes that have flown on the space shuttle, and has used the Hubble Space Telescope and other observatories in space and around the world for his research of massive stars, comets, and asteroids.  He has also been an actor, director, and crew member on stage, film, and TV for nearly 30 years, and a musician for 35 years.  His work with science education and public outreach combined with training in radio voiceover work drew him to How on Earth.  Joel is proud to be a contributor to the HOE team, and thankful for the opportunity KGNU provides to learn radio production and studio engineering.

 Kate Becker

 Kate Becker assists with education and public outreach programs at the University of Colorado's Laboratory for Atmospheric and Space Physics (LASP). She graduated from Cornell University in 2005 with an M.S. in astronomy.  While at Cornell, Kate was a science writer intern for the Cornell News Service and was active with outreach programs including the award winning Ask an Astronomer website. Before coming to LASP, Kate worked in the government affairs office of the University Corporation for Atmospheric Research and held an internship with the House Science Committee in Washington, D.C.

 Kate Fotopoulos

 Kate Fotopoulos was asked to fill in as co-host for How on Earth for a couple of weeks back in 1995 and has been with the show ever since.  She finds it's a great way to keep up with science news without having to be a doctor, engineer, or physicist.

Kate's main field of interest is holistic health and preventive medicine.  She works as an Ayurvedic Therapist at Sattva, and urban day spa in Denver.  She is also the narrator for many of InJoy Video Productions' DVDs on pregnancy, birth, and parenting.  In her spare time, Kate teaches on-air voice technique classes for KGNU volunteers.

 Shelley Schlender

 Shelley Schlender is a freelance radio journalist whose features have aired nationally on Living on Earth, Making Contact, Free Speech Radio News, and Sprouts.  Her radio features have aired internationally on The Voice of America.  Her KGNU/Sound Partners in Health documentary on the Childhood Obesity Epidemic was a finalist in the 2004 National Federation of Community Broadcasters Awards.  At KGNU Boulder-Denver, Shelley's a volunteer who anchors the Friday morning news, does health and science features, and helps out with radio training, including with Overdub, KGNU's Youth Radio collective.  In her spare time, Shelley helps out with community health education, goes hiking with her husband, Greg and dog, Brian, likes to cook and go to movies.  Shelley and Greg have two sons, Walt and Amory.

 Susan Kathleen Moran

 To Be Announced