Romilly is a Co-Founder of the Minerva Network.

She has been the CEO of the Green Building Council of Australia since 2006 and is a vocal advocate of diversity, Indigenous issues, flexibility in the workplace, and women in sport.

Romilly is a member of the federal government’s Cities Reference Group, Independent Chair of the Currawong State Park Advisory Board, a member of the Sydney Olympic Park Authority and Chief Executive Women boards and President of Bilgola Surf Life Saving Club.

Romilly was awarded the 2017 World Green Building Council Chairman’s Award and 2015 International Leadership Award by the US Green Building Council. She has previously been named one of the ‘100 Women of Influence’ by the Australian Financial Review and Westpac, and a National and NSW winner of the Telstra Business Women’s Awards.  In 2016, she was named Pittwater’s Citizen of the Year.

At Bilgola SLSC Romilly is a patrol captain.  She competes in ocean swimming and half marathons.