Berger Singerman founder and co-chair Mitchell Berger is among 250 top volunteer fundraisers for Joe Biden’s presidential campaign, according to a list the Democratic candidate and former vice president disclosed.

The list of 250 names revealed the individuals and couples who raised at least $25,000 for Biden’s presidential run. The Biden campaign has relied on large-dollar donations and big fundraising events, according to a Politico report that called bundlers “critical to his success.”