Tata Trusts, under the chairmanship of Noel Naval Tata is going through a major internal restructuring of roles, including doing away with positions of chief financial officer (CFO) and chief operating officer (COO). The Trust, under its new leadership, is also decreasing dependence on external consultants. The move is being undertaken to reduce operational and management costs and to use the resources in carrying out its core philanthropic responsibilities, the Economic Times reported, citing sources.