Mariette DiChristina oversees Scientific American, ScientificAmerican.com, Scientific American Mind and all newsstand special editions. She is the eighth person and first female to assume the top post in Scientific American's 166-year history. Under her leadership, the magazine received a 2011 National Magazine Award for General Excellence.

A science journalist for more than 20 years, she first came to Scientific American in 2001 as its executive editor. She is an advisor for the Citizen Science Alliance. She was named an AAAS Fellow in 2011. She was also the president (in 2009 and 2010) of the 2,500-member National Association of Science Writers. She was an adjunct professor in the graduate Science, Health and Environmental Reporting program at New York University for the several years. DiChristina is a frequent lecturer and has appeared at the New York Academy of Sciences, California Academy of Sciences, 92nd Street Y in New York, Yale University and New York University among many others.

Previously, she spent nearly 14 years at Popular Science in positions culminating as executive editor. Her work in writing and overseeing articles about space topics helped garner that magazine the Space Foundation's 2001 Douglas S. Morrow Public Outreach Award. In spring 2005 she was Science Writer in Residence at the University of Wisconsin-Madison. Her chapter on science editing appears in the second edition of A Field Guide for Science Writers. She is former chair of Science Writers in New York (2001 to 2004) and a member of the American Society of Magazine Editors and the Society of Environmental Journalists. DiChristina was honored by New York's Italian Heritage and Culture Committee in October 2009 for her contributions as an Italian American to science journalism and education in New York City. In January 2010, she was honored by the National Organization of Italian American Women as one as one of its "Three Wise Women" of 2009.

Fred Guterl is the executive editor of Scientific American. Previously, Guterl was a deputy editor of Newsweek International, where he wrote and edited a wide range of stories for both print and digital media. He was Newsweek International's first science and technology editor, writing and editing dozens of cover packages and special issues on climate change, global health, energy, biotechnology and other subjects. He also created and edited Newsweek International's Web site, overseeing its home page, blogs, guest essays and news coverage. His writing and editing have contributed to numerous awards and nominations from the American Society of Magazine Editors, including General Excellence for Scientific American in 2011. His article "Riddles in the Sand," which appeared in Discover, was named best magazine article in 1998 by the American Association for the Advancement of Science, and his Newsweek article "The Wasteland," on Russia's plan to accept the world's nuclear waste, was honored by the Overseas Press Club of America for environmental writing. He has been a guest on The Daily Show with Jon Stewart, CNN, MSNBC, Charlie Rose, The Today Show and other television venues. Guterl is author of the book The Fate of the Species, about how humans are at risk of extinction and how to avoid it, which Bloomsbury published in June 2012. He holds a bachelor's degree in electrical engineering from the University of Rochester and has taught science writing at Princeton University.

David Biello is an award-winning associate editor. He joined ScientificAmerican.com in November 2005 and has written on subjects ranging from astronomy to zoology for both the Web site and magazine. Biello has been reporting on the environment and energy since 1999. He is the host of the 60-Second Earth podcast, a contributor to the Instant Egghead video series and author of a children's book on bullet trains. He also is host of the PBS documentary series Beyond the Light Switch, which won a Silver Baton 2012 Alfred I. duPont-Columbia University Award.

Mark Fischetti is a senior editor. He was managing editor of Scientific American's Earth 3.0 special editions and helped launch Scientific American Mind. His 2001 Scientific American article "Drowning New Orleans" predicted the widespread disaster that a storm like Hurricane Katrina would impose on the city. Fischetti has written freelance articles for the New York Times, Smithsonian, Fast Company, and many others. With Tim Berners-Lee, inventor of the World Wide Web, he co-wrote Weaving the Web, which reveals how the Web was really created. He also co-wrote The New Killer Diseases with microbiologist Elinor Levy. Fischetti is a former managing editor of the magazines IEEE Spectrum and Family Business. He has a physics degree and has twice served as the Attaway Fellow in Civic Culture at Centenary College of Louisiana, which awarded him an honorary doctorate. Fischetti is a frequent broadcaster and has appeared on CNN, NBC's Meet the Press, the History Channel and NPR News.

Seth Fletcher is the senior editor in charge of technology coverage for Scientific American. Before joining SA, he spent five years editing feature stories at Popular Science; prior to that, he edited the health section at Men’s Journal. He is the author of Bottled Lightning: Superbatteries, Electric Cars, and the New Lithium Economy (Hill & Wang/FSG, 2011). His writing has appeared in The New York Times, Popular Science, Popular Mechanics, Men’s Journal, Outside, Salon, and other publications. He has been interviewed on NPR’s Fresh Air, Morning Edition, Science Friday, Marketplace, The Takeaway, and The Leonard Lopate Show, along with the BBC World Service and many local radio affiliates. His television appearances include Bloomberg TV and MSNBC’s The Dylan Ratigan Show. He holds a master’s degree from the Missouri School of Journalism

Christine Gorman is the senior editor in charge of health and medicine features for Scientific American. Gorman began her publishing career at Time, where she worked for more than 20 years in the business, nation, science and health sections. Upon joining Scientific American in 2010, she launched the Science of Health column, which provides an in-depth look at the science behind an emerging consensus in a research field, an instructive controversy or a broadly fascinating medical mystery. Notable features that she has shepherded to publication include "The Enemy Within ," by Maryn McKenna (April 2011), "Fast Track to Vaccines," by Alan Aderem (May 2011) and "Arm in the Ice," by Colleen Fitzpatrick (December 2011). Her favorite Web piece authored for ScientificAmerican.com, so far, is "A Brief History of the Toilet," which uses a modicum of scatological humor to demonstrate the often overlooked importance of sanitation in emerging countries. Gorman graduated summa cum laude from Rice University, received a masters from Johns Hopkins University and, in 2008, was awarded a Nieman Fellowship to study global health at Harvard University, followed by a three-month reporting trip to investigate the nursing crisis in Malawi.

Larry Greenemeier is an associate editor at Scientific American, responsible for reporting, writing, editing and assigning online articles that pertain to a number of different areas of technology: robotics, computers, medicine and environment, to name a few. He previously covered information technology (computers, microprocessors, IT security, IT outsourcing, and so on) for the trade magazine InformationWeek, from 1999 to 2007. He earned his master's degree in journalism from Columbia University.

Katherine Harmon is an associate editor at Scientific American and covers health and medicine. She joined Scientific American's online group in January 2009 after completing a master's degree at the Missouri School of Journalism. Her previous work has won national awards and has appeared in magazines and newspapers and online. She holds a bachelor's degree in English from Vassar College and is currently at work on a book about octopuses.

Ferris Jabr assigns, edits and writes articles for Scientific American's magazine and Web site, focusing on neuroscience, psychology and life sciences. Before joining Scientific American, Ferris was a reporter for New Scientist. He has also written articles for Scientific American Mind, Popular Mechanics, Psychology Today and Environmental Health News. He earned an M.A. in science, health and environmental reporting from New York University and a B.S. in psychology and English from Tufts University.

Anna Kuchment is a senior editor at Scientific American who edits the Advances news section of the magazine and writes about science education on her blog, Budding Scientist. Before coming to Scientific American, Kuchment was a writer and editor at Newsweek International and Newsweek. At Newsweek, she worked out of the Moscow bureau and covered technology, science and medicine, among many other topics. She is also the author of the forthcoming book, The Forgotten Cure, (Springer, 2012).

Robin Lloyd is the news editor, responsible for editing and assigning stories for Scientific American's Web site. She also manages Scientific American's Twitter feed: @sciam. Previously, she was a senior editor for LiveScience.com and SPACE.com. She has additional experience in print journalism (Pasadena Star-News); wire journalism (City News Service in Los Angeles); and network online journalism (CNN.com). She has a Ph.D. in sociology from the University of California, Santa Barbara, and received a Knight Science Journalism Fellowship at the Massachusetts Institute of Technology for the 1998-1999 academic year.