鋼琴家郭家豪曾在北美及歐亞多個城市獻藝，如意大利 Fazioli 演奏廳、美國辛辛那提 Bearcat 鋼琴節、布拉格國際鋼琴學院、北京現代音樂節、中央音樂學院、廣州交響樂團樂季開幕週等。作為獨奏家，他曾四度獲邀演奏作曲家陳其鋼的鋼琴協奏曲《二黃》，獲樂評稱譽「細膩精緻」。郭氏曾伙拍黃濱（帕格尼尼小提琴大賽、慕尼黑國際國際小提琴比賽首獎得主）、景煥（廣州交響樂團常任指揮）、郭雅志（嗩吶演奏大師）、李嘉齡（華沙蕭邦國際鋼琴比賽得獎者）、焦元溥（著名樂評人、暢銷音樂作家）、 李宜錦（台灣NSO樂團前首席、台北藝術大學小提琴教授）、羅曼四重奏等音樂家同台演出，亦經常為香港電台擔任節目主持及錄音，並曾為時裝雜誌撰寫結合流行文化及古典音樂的專欄文章。

郭氏畢業於香港中文大學，及後獲英國倫敦聖三一學院鋼琴演奏院士、美國印第安納大學鋼琴演奏碩士，及美國辛辛那提大學鋼琴演奏博士。曾被委任為辛辛那提大學的早期音樂助教，他亦曾擔任澳門理工大學音樂學士課程全職講師及碩士生導師。博士畢業後，他即獲香港中文大學特聘，成為音樂系內唯一同時教授鋼琴及古鍵琴演奏的導師，亦擔任香港大學音樂系教授鋼琴導師、香港演藝學院鍵盤系訪問藝術家、新加坡南洋藝術學院鋼琴系客座講師，並曾於韓國明知大學、台灣東吳大學、廣州星海音樂學院、杭州良渚國際藝術學院等學府主持鋼琴大師班。

2021 年，郭氏正式成為施坦威榮譽教師，屬港澳地區第一批獲頒此榮銜的鋼琴教育家。

Praised for his “exquisite and refined” playing, pianist Timothy Kwok was trained at The Chinese University of Hong Kong, Indiana University, and the University of Cincinnati where he gained his Doctorate of Musical Arts in piano performance. He is also named a Fellow of Trinity College London. His major mentors include Mary Wu, Edmund Battersby, Eugene and Elisabeth Pridonoff. Additional studies were with Gabriel Kwok, Ivo Pogorelich, Jean-Yves Thibaudet, James Tocco, Emile Naoumoff, and Nelly Akopian-Tamarina.

He has performed extensively in the States, Europe, and Asia. As a soloist, he was invited to give four performances of Chen Qigang’s piano concerto Er Huang, including the concerto’s Guangzhou and Foshan premières. Kwok was appointed as the only Tangeman Graduate Teaching Assistant of Early Music at the University of Cincinnati, and later on served as a full-time lecturer at Macao Polytechnic’s Bachelor and Master’s Music Programmes. He was invited to be a Visiting Artist at the Hong Kong Academy for Performing Arts, and a Guest Lecturer at Singapore’s Nanyang Academy of Fine Arts. He is now a piano and harpsichord faculty member at The Chinese University of Hong Kong, as well as a piano instructor at the University of Hong Kong. Apart from performing and teaching, Kwok also hosts classical music programmes for Radio Television Hong Kong, and occasionally writes as a columnist for fashion magazine.

Kwok has named one of the first Steinway Honorary Teachers in Hong Kong since 2021.