Given its first round of investments, TMV might seem like an interesting choice to help foster innovation in shipping.

The four-year-old venture capital firm focused largely on healthcare start-ups and the future of work in fund 1, investing in companies like woman-focused co-working space The Wing and Cityblock, which builds health services for low-­income patients.

But the company is fundraising for its second fund — and with it, co-founder Marina Hadjipateras wants to get back to her roots in shipping.