Shannon Bell, the former managing director of corporate communications for Citigroup, has moved to the financial start-up of for The Orogen Group, the financial start-up of ex-Citigroup chief Vikram Pandit.

shannon bellSince leaving Citigroup on Pandit's exit in 2014, Bell has been chief communications officer and partner at TGG Group, a management consulting venture.

Pandit has partnered with private equity firm Atairos Group to form Orogen, which will invest in financial services and related business. Pandit is chairman and CEO. In an corporate announcement, Orogen said it belives over time the financial industry will "evolve from one dominated by large, leveraged conglomerate banks and unregulated non-bank financial companies to a broader and more decentralized network of vertical financial services companies."

Sard Verbinnen & Co. reps Atairos.

Earlier in her career, Bell directed North American public affairs for Zurick Financial Services and directed communications for Standard & Poor's. She started out at APCO Worldwide.