Ideastream was formed in July 2001 through a merger of equals between WVIZ and then-NPR member WCPN (since supplanted by WCLV), which up to that point operated separately as Educational Television Association of Metropolitan Cleveland and Cleveland Public Radio, respectively. Talks of a cooperative agreement between the two entities began in 1999, but was first proposed in 1993, when co-founder Jerrold Wareham was named as WVIZ's general manager.[1] WCLV, then operating as a Lorain-licensed station at 104.9FM, was donated to the group in 2011.[5] Since 2021, Ideastream has operated WKSU and its repeater network on behalf of owner Kent State University,[6] and has been Cleveland and Akron's sole NPR station of record since March 28, 2022.[7] Kevin E. Martin has been the organization's president/CEO since January 9, 2017,[8] succeeding Jerrold Wareham.[9] Jenny Northern, a staffer with WCLV since 2001, was elevated to station manager in 2014[10] and became general manager for all stations in 2020.[11]
All stations in the group jointly rebranded as Ideastream Public Media on June 15, 2021, to celebrate the entity's 20th anniversary.[2]