Bing found the following results
SungWon Cho - Wikipedia
ProZD - YouTube
SungWon Cho - IMDb
SungWon Cho - MyAnimeList.net
SungWon Cho — The Movie Database (TMDB)
SungWon Cho - Wikiwand
An interview with ProZD - Polygon
SungWon Cho reveals what it's like to be a video game voice actor
SungWon Cho Talks 'gen:LOCK' and Wanting to Do "As Much ... - Newsweek
ProZD makes nerd humor cool - The Verge