A 39-year veteran of print publication, Mark Kellner is one of America’s veteran technology journalists. He brings to the subject close to 30 years of experience, writing hundreds of articles about computers, telecommunications and technology, as well as three technology related books.
Additionally, Christianity Today named Mark one of the “50 Leading Evangelicals Under 40″ in 1996. On January 11, 1999, Christianity Today published Mark’s major news article on the Year 2000 computer problem titled, “Y2K: A Secular Apocalypse.” Harold Shaw Publishers, Wheaton, IL, released his third book, Y2K – Apocalypse or Opportunity in March 1999.
Since 1991, Mark has written the weekly “On Computers” column for The Washington Times, a daily newspaper in the nation’s capital, authoring more than 1,000 weekly columns. It also appears on NewsAndOpinion.com, a leading Web site for which Mark is the “Tech Maven”.
He has written freelance articles for a number of regional and national magazines, including Success, Working@Home, Nation’s Business and MicroTimes . He has also written extensively for Computing Today magazine and authored that publication’s comprehensive Year 2000 series in its January 1999 issue. He created and wrote the monthly column, “Christians and the Internet” for crosswalk.com, a Christian online service.
From October 2000 to January 2002, Mark was a weekly columnist for the Los Angeles Times‘ “Tech Times” section, writing about hand-held computers. He hosted a weekly “On Computers” show on www.adrenalineradio.com from October 2000 through the fall of 2002. Mark has made numerous TV and radio appearances, including MSNBC, FOX-5 DC, BBC News programs in Britain and Wales, as well as the National Public Radio affiliate in Washington, DC and Moody Broadcasting Network. He has been a frequent guest on “Janet Parshall’s America,” which airs nationally on many Moody Broadcasting stations and others.
Mark also has an extensive background in religion journalism, having covered spot religion news for Christianity Today as well as The Washington Times. Since February 2003, Mark has been involved with the news and communications efforts of the Seventh-day Adventist Church, a Protestant Christian movement with 16 million members around the world. His first role at the Adventist world headquarters was as Assistant Director for News and Information in the church’s communication department. There, he held principal responsibility for Adventist News Network. Since 2007, Mark has served as News Editor for Adventist Review and Adventist World magazines, the general papers of the movement. He’s covered two of the organization’s quinquennial General Conference Sessions (2005 and 2010), supervising the production of dozens of news articles daily, as well as writing, or co-authoring, the principal news stories from these events. 
On behalf of the Church, Mark has traveled to Finland, Latvia, Lithuania, Israel, Slovenia, Turkey, Jordan, the Philippines, Trinidad, Jamaica, Kenya, Zambia and throughout the United States, and has led seminars or preached on many of these trips.
Currently, Mark resides in Fulton, Maryland, with his wife, Jean. Before moving back East from Los Angeles, he was the Editor-in-Chief of PC Portables magazine, the nation’s premiere monthly for users of portable technology. He was News Editor of MIS Week, and a Senior Editor at Unix Today, Federal Computer Week and Government Computer News. He was Editor of “The Report on AT&T,” an independent newsletter. Along with his computer column, Mark has written opinion pieces for The Detroit News, San Francisco Examiner, The Christian Science Monitor, The Wall Street Journal and The Washington Times , and has covered spot news for various trade publications and Christianity Today.
His first book, WordPerfect 3.5 for Macs For Dummies was published at the end of 1995 by IDG Books Worldwide. IDG Books also published his second book, God on the Internet in 1996. This profusely illustrated, easy-to-read book was a comprehensive guide to spiritual resources online, and featured a foreword by General Paul A. Rader, international leader of The Salvation Army, an evangelical organization.
Mark Kellner is also listed, in Who’s Who in America 2003, as well as the 2005-2007 editions, all of which are published by Marquis Who’s Who and are (or shall be) available in most major libraries. His memberships include the National Society of Newspaper Columnists, the International Association of Philatelic Journalists, and Writer’s Unit #30 of the American Philatelic Society, where he served a stint as editor of the Philatelic Communicator, the group’s quarterly.