Welcome to TCI

TCI helps women business leaders become and remain successful.

The Commonwealth Institute (TCI) is a non-profit organization devoted to advancing businesswomen in leadership positions in Massachusetts and Florida. We are ambitious, success-oriented women committed to growing our respective organizations and to supporting each other as we accomplish our individual goals.

Our membership includes CEOs, senior corporate executives, entrepreneurs, executive directors of nonprofits and solo professionals who are committed to building successful businesses, organizations and careers. We come from a range of industries and from a variety of backgrounds. We run large companies, we lead small companies, we manage nonprofits, we work as sole proprietors. We are a community of women offering a collaborative brain trust for fellow members and a platform for each of us to achieve our goals.

Upcoming Events


SURVEY NOW OPEN: Top 100 Women-Led Businesses in MA


The Boston Globe Magazine, together with its partner The Commonwealth Institute (TCI), have opened the 14th annual Top 100 Women-Led Businesses in Massachusetts survey. The deadline is May 29. The Top 100 will be announced at a breakfast on October 23 and published in the Globe Magazine‘s Women and Power Issue on October 25 (both in print and at bostonglobe.com/magazine).




Summer Membership Drive

Summer Membership Drive!

Do you love TCI?  Have you benefited from our sessions, programs and events?  Do you know an influential, fearless woman who is a leader in her industry?

Great! We would love to grow our TCI family with more women like you!  And what better way to expand then to have our own members look to their current business network for new members?

Contest rules are simple, refer a new member and upon her completed registration, you will both be entered in a drawing! The winners will be drawn on July 31st by TCI staff.

Introduce us & take home these wonderful prizes:

Black Tyler Clutch from Worth New York or 6 sessions of laser hair removal from Miami Center for Plastic Surgery

For more information please email Katie Doyle at kdoyle@commonwealthinstitute.org