Vikki Spruill, chief executive of the New England Aquarium, shares her vision for how she plans to expand the organization from a tourist destination to a leader on ocean conservation advocacy. (Produced by Anush Elbakyan/Globe Staff. Edited by Anush Elbakyan/Globe Staff., Camera work by Anush Elbakyan, Caitlin Healy, Mark Gartsbeyn)