Michigan-based Lambert and Co. and Miami-based fund manager and Altura Capital Group CEO Monika Mantilla have announced a joint investment in marketing company 9thWonder.

Houston-based 9thWonder adds to public relations firm Lambert’s Family Of Companies as part of a partnership designed to promote growth, according to Lambert CEO Jeff Lambert. Lambert’s Equalsign and 9thWonder’s Consumer X team will join together to provide cultural marketing and sustainability expertise.

Mantilla has a track record of investing in diverse-owned companies and entrepreneurs from low income communities.