Four moves since Sept. 2:
1. Chicago-based DSO Bright Direction Dental promoted Nisheeth Singh to the role of CEO.
2. Chicago-based Phase 1 Equity appointed Kristen Cusack CEO.
3. New Hyde Park, N.Y.-based Dental365 named David Jordan its next CFO.
4. Sarasota, Fla.-based Dental Care Alliance hired Christine Heald as chief development officer and David Pegg as chief growth officer.