The era of the star dealmaker necessarily running a venture capital firm as an amateur manager is increasingly over and into this era of greater professionalism has come US-listed bank Citigroup.

The generation of influential firms raising money and shaping innovation often resemble corporations in having people in ancillary roles to those dealing with the limited partners – or fund investors – and those investing the money in portfolio companies. These other roles are designed to help the portfolio companies find staff, market themselves, develop their products or services, as well as help the venture firm deal with the finances or legal requirements themselves.

As a senior adviser to an…