Skip to main content



Corinne Zielke is the Vice President and General Manager for the Collectibles Division of Active Interest Media. This includes not only Numismatic News, Bank Note Reporter, World Coin News and Coins Magazine, but also Goldmine, Sports Collectors Digest, Antique Trader, Old Cars, Old Cars Report Price Guide, Military Trader and Military Vehicles. Corinne has been in the media and publishing industry since 1995. Corinne can be reached at


Maggie Pahl is Numismatics Editorial Director for Active Interest Media. While primarily focusing on Numismatic News, Maggie also assists with editorial duties for sister publications Coins magazine, World Coin News and Bank Note Reporter. In her 14 years in the industry, Maggie has served the brands in a variety of capacities including online editor and editorial director. In addition to writing and editing for the print magazines, Maggie assists in creating and posting content for the group’s website, social media, and e-newsletters. She also helps coordinate the Coin of the Year awards program. Maggie can be reached at


Sophia Mattimiro is the Numismatics Editor. She edits news and feature stories for Numismatic News, Bank Note Reporter, World Coin News and Coins Magazine. She is also in charge of online content for, social media platforms and weekly e-mail newsletters. She graduated with a Bachelor’s in Writing and Publishing from Benedictine University. In her spare time, Sophia enjoys writing, knitting and camping. Sophia can be reached at


Thomas Michael is the Numismatic Market Analyst at Active Interest Media. He communicates with and coordinates the efforts of, nearly 800 contributors to create the price listings that appear in the grade columns of every world coin price guide and database listing used by Active Interest Media (Formerly Krause Publications). Tom also writes new issue coin announcements, book reviews and auction previews and reviews for World Coin News. He has been with these brands for 32 years and was part of the group that developed the largest world coin database in numismatics. Before establishing a professional career in coins, Tom worked as a banker, auditor and book distributor. He graduated from Eastern Illinois University with a bachelor of arts degree in History, and a master of arts degree in Economics. Tom has three sons and two granddaughters. An active supporter of both Special Olympics and the Red Cross, Tom also serves as a Board Member of his local library. With diverse collecting interests, including Archie Comics, Photoplay Editions, books of late 19th-century humor, bookseller and bookstore tokens and ephemera and both handmade and machine-made marbles, Tom spends a great deal of his time reading and cataloging in both his private and professional life. Tom can be reached at


April Krueger is an advertising consultant at Active Interest Media. A 20-year sales veteran, April works with numismatic customers on their marketing efforts through magazines like Numismatic News, World Coin News and Bank Note Reporter, email newsletters and, as well as other marketing vehicles. April has held a variety of positions during her tenure. After working in the customer service department, she supervised magazine retail sales, overseeing the distribution of magazines to retail outlets worldwide. She has been an event sales manager for shows such as the Atlantique City antiques show. April is an avid Green Bay Packers and Wisconsin Badgers fan. In her spare time, she enjoys being outdoors on her family farm and spending time with family and friends. April can be reached at


Patti Roberts an ad sales assistant at Active Interest Media. Patti sorts and monitors information coming in from advertisers to ensure that it is both up to date and accurate. Patti also helps with formatting advertisements and ensures that they are reproduced faithfully in print or online. Patti has been with our numismatic brands for 34 years. Prior to her current position, she worked at Krause Publications in the mail reception and subscription department. She has also been a packaging worker at a cheese factory, owned a daycare, worked as teller at a bank and was the secretary for a U.S. Army recruiter. In her free time, Patti enjoys taking walks with her dog, reading mysteries, action novels, comedies and historical fiction novels. She also loves attending old car shows with her husband during the summer. Patti and her husband have three sons, a daughter, two grandsons, two granddaughters, two step-grandsons and a dog. Patti can be reached at