About 85 companies, including P&G, have joined so far. ???Ida will be responsible for three things,??? said David Wellisch, Latinum???s founder. ???We generate a lot of insights and strategies, and then work individually with our [member] companies to make sure they get incremental ROI. That???s not that different from what she was doing at P&G.??? Ms. Chacon will also help facilitate member compa