Our Team

Michael K. Johnson
Michael K. Johnson Director and Auctioneer
He has been a full-time professional in the auction business now for over 41 years. He began collecting postage stamps at the age of six, and began buying and selling stamps as a professional in college. Strong academic background in math and computer science, also history and languages. Learned the auction and catalog business by working for Richard Wolffers Auctions, Inc. in San Francisco from 1978 to 1988, eventually ending up as general manager. In 1989 he worked for a year as a vice-president of Robert A. Siegel Auctions in New York (then the largest stamp auction firm in the world). He began MKJ Associates as a consulting and service group in 1990, after returning to California, and began developing the auction management software that eventually became Catalog Master. Began Golden Oak Philatelic Mail Sales (the predecessor of Golden Oak Online Auctions) in 1991. He is a recognized expert in many areas of rare stamps and rare books, and also has considerable experience in numismatics, autographs and other auction areas.
email mkj@gooaucs.com
Tracy Carey
Tracy Carey Director and Auctioneer
Tracy (formerly Tracy L. Shreve) has been involved in the worldwide auction industry for over 31 years. She began her career at Steve Ivy Philatelic Auctions in 1988 and became a licensed auctioneer in 1990. In 1993, she and Charles Shreve, started their own auction company, Shreves Philatelic Galleries, Inc. Well respected as an auctioneer, she has been involved in some of the most important stamp sales ever recorded. Her knowledge in philately coupled with her extensive client relations has kept her at the top of her industry. In 2007, Shreves was sold to a global collectibles company based in London. Tracy served on the board of directors for Spink and Son, Ltd. and as C.O.O. for Spink USA Ltd., for five years. She left Spink in 2011 to pursue other interests. From 2013-2016, Carey served as Chief Operations Officer for Brigham Auctions Ltd., overseeing the sale of Ron Brigham's world renowned, award winning Canada collection. In 2017 she joined MKJ Associates as an auction consultant. From January 2018 to Sept 2019 she served as President and COO of Daniel F. Kelleher Auctions, LLC. She has been with GOOA since October 2019.
email tracy@gooaucs.com phone 214-356-4631
Estefani Pedraza
Estefani Pedraza Director and Operations Manager
She is a Los Angeles native and studied Art Business along with Art History at California State University of Long Beach. Estefani has worked with various Los Angeles based art auctions, galleries, and consultancies. Estefani works with our team to provide excellent client support, training and outreach. With a background in art business management, she is very interested in designing efficient work flows and providing solutions for auction businesses. She loves art and collectibles auctions and continues to be active in the local art community. She has worked with various parts of the Golden Oak Group since 2017.
email estefani@gooaucs.com phone 214-531-3924
Shekinah Porrata
Shekhinah R. Porrata Director of Marketing
Shekhinah graduated in 2017 with a Bachelors in Writing from Savannah College of Art and Design. Since graduation she has been working as a writer, editor and social media manager for various industries including music, advertising, publishing and fashion. While she hasn't been in the world of philately a long time, Shekhinah has an appreciation for beautiful art and world history.
email s.raine.p@gmail.com
Chi Middleton
Chiemi Middleton Imaging and Data Entry
Chiemi ("Chi"), has been associated with our associate company, MKJ Associates, since August, 2013. Chi's background is in music where she completed her B.A. in Jazz Studies from Sonoma State University in Northern California in 1998. Alongside her music studies, Ms. Middleton has taught private piano instruction for over 20 years and has been involved with a variety of musical groups/productions. Chi works part-time with us and part-time with her music career.
Anton Shreve
Anton Shreve Inventory Control/Fulfillment Manager
Anton Shreve grew up in the stamp auction business, as his parents, Charles & Tracy Shreve were the owners of Shreves Philatelic Galleries Inc. from 1994-2007. Anton attended the University of Arkansas then joined Argent Technologies in 2012 as their Inventory Control Manager. In 2014 he joined Elemetal Inc. as Operations Manager. In 2019, he returned to stamps and joined Kelleher Auctions assisting with Inventory Control of their internet sales division. He has been with GOOA since September 2019.
James Elmen
James Elmen Expert Consultant for World Coins
President of Worldwide Coins of California, with decades of experience in the auction business, James is widely recognized for his deep knowledge of European and Latin American coinage. He is a world authority on Russian coinage, and has handled some of the most important Russian coin collections ever formed. Member for many years of the prestigious International Association of Professional Numismatists. James has been associated with us in one way or another since June 2000.
George Eveleth
George Eveleth Expert Consultant for Stamps
George has been a full time philatelic professional in the stamp auction business for over 42 years. He started his career at the H.E. Harris appraisal department in the 1970s while attending Tufts University. Since then he has held senior positions at Spink U.S.A., Spink Shreves Galleries, H.R. Harmer, Ivy & Mader, Matthew Bennett, Shreves Galleries and Greg Manning Auctions. He is an accredited expert at both the Philatelic Foundation and American Philatelic Society. He is a member in good standing of the American Stamp Dealers Association, A.P.S., Confederate Stamp Alliance, MEPSI, UPSS, The Collector's Club of New York and the ANA and regularly attends shows throughout the country.
Robert Litzenberger
Robert Litzenberger Expert Consultant for Autographs
Robert entered the collectibles world in 2000, quickly establishing himself for his careful research, eye for the extraordinary, and unshakable integrity. He has distinguished himself at legendary auctioneers RM Smythe, continued with the international firm Spink, Inc, and served the Manuscript Society as its in-house writer, and editor of the Manuscript Society News. His expertise extends to historical documents and autographs, ephemera, collectible obsolete stocks and bonds, and collectible books.
Alex Gill
Alex Gill Content Writer for Stamps
Alex first became interested in philately while living in Australia when viewing an Australian collection. His role with Golden Oak Online Auctions includes writing philatelic related content and articles. Currently, he serves as an expertiser with The Philatelic Foundation in New York City, as well as Editor-in-Chief of two Wisconsin-based philatelic publications: Across The Fence Post and Badger Postal History. In addition, his work has been published in a series of publications including The American Philatelist. He holds a Bachelor's degree in Political Science from the University of Wisconsin-Milwaukee.

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