Partner across internal teams at BCG including Tax, Accounting, Payroll, IT, Partner Services, HR, and executive leadership on all retirement matters including plan governance, fiduciary matters, funding, regulatory developments, and complex retirement issues. Manage relationships with ERISA legal counsel, financial advisor, defined contribution and defined benefit plan administrators, actuaries, accountants, custodian, and other vendors; lead periodic RFPs, contract negotiations, service reviews, and oversee invoicing and billing.