William Cassidy is a veteran Software Engineer at Collectors. Over 20 years at Collectors, he built many foundations of Collectors technology, including work on its Grading platform, Accounting system and various areas of consumer-facing PCGS and PSA websites. Apart from his technical expertise, William is also a lifelong collector of vintage video games. In addition to his computer science knowledge, he holds a history background and has a passion for writing and editing.
