This disclosure provides for systems and methods directed to generating colleague recommendations within a social network service. The systems and methods may include identifying a sample member of a social network service and determining an organizational unit associated with the sample member. The sample member may be associated with prior member activity involving a source member and the organizational unit may represent a department within an organization. The systems and methods may also include identifying various candidate members, where the candidate members are associated with the organizational unit. The systems and methods may also include surfacing the plurality of candidate members to a computer system being operated by the source member.