The Grosse Pointe Chamber of Commerce’s eighth annual Community Business EXPO event is from 5:30 to 8 p.m. Wednesday, Nov. 20, at the Grosse Pointe War Memorial.The expo is designed to showcase local businesses and non-profit clubs and organizations and provide networking opportunities for chamber members, community business leaders and residents.This year’s keynote speaker is Matthew P. Cullen, president and chief executive of Rock Ventures LLC, the umbrella entity formed to provide operational coordination, guidance and integration to Dan Gilbert’s portfolio of companies and investments. Cullen also is responsible for Gilbert’s “Opportunity Detroit” initiative, an effort to spark development and revitalization in the City.A native Detroiter and 29-year veteran of General Motors, Cullen is president and chief operating officer of Rock Gaming LLC, volunteer president and CEO of the M-1 RAIL Streetcar initiative, chairman of Invest Detroit, vice chairman of the Downtown Detroit Partnership and serves on the executive committee of the Detroit Zoological Society.Also speaking at this year’s event is Patrick Hopper, the face behind Grosse Pointey, Grosse Pointe’s social network with more than 18,000 followers on Facebook, Twitter, Instagram, Pinterest, LinkedIn, and YouTube. Hopper is also partner at OpenSystems Media in St. Clair Shores.The event is open to the public. Admission is free. Attendees will receive product samples and have the opportunity to enter numerous raffles. To become a sponsor or to participate in the EXPO, call the chamber of commerce at 313-881-4722, or e-mail firstname.lastname@example.org.