About Us
Best known as the home of The Overstreet Comic Book Price Guide, Gemstone Publishing, a division of Geppi's Entertainment Publishing & Auctions, was formed by Diamond Comic Distributors President and Chief Executive Officer Stephen A. Geppi as a conduit for his efforts in preserving and promoting the history of the comics medium.
In addition to our Disney comics line, Gemstone currently offers publications such as The Overstreet Comic Book Grading Guide, The Big Big Overstreet Comic Book Price Guide, The Official Price Guide to Disney Collectibles, The Official Price Guide to Pop Culture: 150 Years of Character Toys & Collectibles, Hake's Price Guide To Character Toys, The Official Price Guide to Mechanical Banks and The Overstreet Indian Arrowheads Identification and Price Guide.
Gemstone also publishes Scoop, a free weekly e-newsletter which looks inside the world of pop culture with a focus on auctions, toys, comics, posters, art and anything and everything pop culture! The spotlight is on fun, while also offering informative insights into the beloved playthings of the past and how they have influenced out culture.
Who We Are
- Stephen A. Geppi - Chief Executive Officer and Owner
- John K. Snyder, Jr. - President
- Amanda Sheriff - Editorial Coordinator
- Angela Meyer - Operations Manager
- Brenda Busick - Creative Director
- Chris Rock - Production
- Courtney Jenkins - Marketing Manager
- David Gerstein - Archival Editor
- Diana Hundt - Advertising Assistant
- Heather Winter - Senior Office Manager
- J.C. Vaughn - Executive Editor & Associate Publisher
- Judy Goodwin - Customer Service Manager
- Leonard (John) Clark - Editor-in-Chief/Disney Comics
- Lindsay Dunn - Editor
- Mark Huesman - Production Coordinator
- Mark Squirek - Senior Comic and Art Auction Manager
- Mike Wilbur - Shipping Coordinator
- Robert M. Overstreet - Publisher - Pennsylvania Office
- Russ Cochran - Publisher - Missouri Office
- Sarah Snyder - Manager of Customer Service and Sales
- Steve Calrow - Manager
- Susan Kolberg - Assistant Editor
- Travis Seitler - Art Director
