After university he worked as an actuarial student for Standard Life Insurance Corporation in Montréal, followed by two years in sales in the mutual fund industry.

Williams left SDC, at the beginning of the biotech industry, to co-found Proteus Bio-Research Corporation.

[5] He was the president and CEO of EA (Canada) Ltd. and a member of the seven-man executive team of Electronic Arts[6] in California.

In 1993 he was diagnosed with secondary progressive multiple sclerosis and left Electronic Arts to concentrate on his health.

While in Cuba, Williams was recommended to seek the services of the International Center of Neurologic Restoration (CIREN), where doctors re-channeled the neuropathways with repetitive physiotherapy to overcome his partial paralysis.

Mr. Williams is a recipient of the British Columbia DigiBC Lifetime Achievement award for his contributions in pioneering the video game industry in Canada.

Mr. Williams was featured in Knights of the New Technology: The Inside Story of Canada's Computer Elite, authored by David Thomas and published by Key Porter Books 1983.