Richard Li founded Pacific Century Group (PCG) in 1993, an Asia-based long-term private investment group with interests across three core Business pillars – financial services, Technology, media & telecommunications (TMT), and property. In 1996, Pacific Century CyberWorks (PCCW) is founded, and was later renamed to PCCW Limited. Four years later, PCCW acquired Cable & Wireless HKT, formerly known as The Hong Kong Telephone Company Ltd., and formed the company with businesses in telecommunications, media, IT solutions, property development and investment, and other businesses.
During the 2002–03 SARS outbreak, PCCW under Li's direction aided victims by providing Telecommunication services to patients, medical staff, and fundraisers; namely, they set up video conferencing for quarantined SARS victims and volunteers to communicate with their families, telephone hotline support for isolated patients and communities to receive medical and legal advice. Li also established a story time program for children kept home to prevent infection, and call centre support for charity fundraisers and community Activists.
Later, in 2007, under Li's direction PCCW volunteers participated in the District Elderly Campaign sponsored by the Oriental Daily News Charitable Fund, the Sun Charitable Fund, and Po Leung Kuk. The campaign' mission was to deliver gift packages to the elderly living in the Lower Ngau Tau Kok Estate.
In March 2011, Isabella announced to the media that the couple have ended their relationship. They have both announced that the split is amicable and that they will both take care of the children.