Bill lives in Strasburg, Virginia. His primary interest has been Bluegrass music which he followed since the early 1970's. Bill primarily plays guitar and mandolin, and his song repertoire has over 360 songs which includes other genres of music: Classic Rock, Blues, Folk, Country, Americana, and Singer/Songwriter. Since the summer of 2017, he has been Program Director for on-line radio station, Bell Buckle Radio. He also produces his own program "Foster's Corner" heard on the station.

Since 1995, he have been a contributing writer for Bluegrass Unlimited magazine. Also since 1995 he has been a professional member of the IBMA - International Bluegrass Music Association and is a 2004 graduate of their Leadership Bluegrass program.

He has played with a number of bands. From 2006 through 2010, he was a member of Strasburg, Virginia's Five of a Kind Bluegrass Band. Prior to that, from 2000 to 2005, he was a member of SW Florida's Swinging Bridge band. Over the years some other bands he has been with the DC area's New River Express, Winterwood and Outer Banks.
View Bill's Recording Work Here...

From December 1985 thru February 2017, Bill was a part-time producer/host of Bluegrass music programs on "WAMU's Bluegrass Country". Starting with Bluegrass Overnight in 1985, he co-hosted the program until 1999 when he moved to Florida. Upon moving back to Virginia in 2006, he rejoined the overnight hosts until 2007 when the overnight show was discontinued. After that he created Foster's Corner which was a monthly then a weekly show.

Bill was an MC at the Delaware Valley Bluegrass Festival in Woodstown, NJ from 2013 to 2019. From January 2015 to September 2017, he was co-owner, with Don Crigler, of the now-closed ShenRiver Music Group music publishing company.