When Regina Myer took over last October as president of the Downtown Brooklyn Partnership, the neighborhood was already reaching for the sky. Residential skyscrapers had arrived; now comes a wave of office towers. As head of the not-for-profit, membership organization, Myer’s role is to ensure all that development meshes well, from the skyline down to the street level. An urban planner by training, she earlier directed redevelopment of the North Brooklyn waterfront, helped plan Manhattan’s huge Hudson Yards project, shaped the rezoning of Downtown Brooklyn and helmed the creation of Brooklyn Bridge Park. In her new role, Myer, a longtime Park Slope resident, intends to make downtown the most dynamic neighborhood in the city. The Bridge talked with her about her mission: