John Chowanec - is a video game producer. John Chowanec began his career in 2013 and has worked for companies such as 2K, 2K Marin and 2K Games. John Chowanec's first game was The Bureau: XCOM Declassified which was released 8 years ago. Best Game John Chowanec contributed to was The Bureau: XCOM Declassified. John Chowanec's latest work is The Bureau: XCOM Declassified which was released 8 years ago.