1958 – 1963 | Primary Education @ St. Joseph’s Primary School, Johor Bahru run by the Brothers of St. Gabriel for six (6) years

1964 – 1967 | Secondary Education @ Montfort Secondary School, Singapore also run by the Brothers of St. Gabriel for four (4) years (until Senior Cambridge)

1964 – 1966 | Joined the Juniorate of the Brothers of St. Gabriel in Singapore and resided with the Brothers in Community

1967 – 1970 | Joined St. Francis Xavier’s Minor Seminary in Singapore

1967 | Passed Senior Cambridge examination in Singapore

1970 | Passed Higher School Certificate at St. Francis Xavier’s Minor Seminary in Singapore

1971 | Enrolled into College General Major Seminary in Penang, Malaysia and completed the two years course in Initiation and Philosophy in 1972

1973 | Worked as a temporary teacher at St. Theresa’s Secondary School, Sungai Petani, Kedah (a Government Aided Mission School run by the De La Salle Christian Brothers) and assisted in the Church of Christ the King, Sungai Petani, Kedah, Malaysia as a Seminarian on pastoral leave for one year.

1974 | Returned to College General Major Seminary in Penang, Malaysia and completed Theology in 1976

January 1977 | Ordained Deacon at Church of the Immaculate Conception, Johor Bahru, Johor, Malaysia and appointed to the Church of the Immaculate Conception, Johor Bahru, Johor.

28 July 1977 | Ordained Diocesan priest of Melaka – Johor Diocese at the Church of the Immaculate Conception, Johor Bahru, Johor, Malaysia

July 1977 – Sept 1977 | Assistant Priest at the Church of the Immaculate Conception, Johor Bahru, Johor

Sept 1977 – Jan 1981 | Assistant Priest at Church of St. Francis Xavier, Melaka

Jan 1981 – October 1981 | Assistant Priest at the Church of Immaculate Conception, Johor Bahru, Johor

Jan 1981 – Jan 1984 | Appointed as a Consultor of the Melaka – Johor Diocese

Oct 1981 – June 1983 | Studied Dogmatic Theology at the Angelicum Pontifical University of St. Thomas Aquinas in Rome, Italy

Jun 1984 – Dec 1984 | Studied and practiced Bahasa Malaysia in Kuala Lumpur, Indonesia, & Keningau, Sabah

Jan 1985 – June 1998 | Lecturer for Dogmatic Theology, Formator and Spiritual Director at College General, Penang

Sept 1985 – June 1998 | Chaplain to University Undergraduates at University Sains Malaysia, Penang, Malaysia and appointed Spiritual Director for Tamil Charismatic Renewal, Diocese of Penang, Malaysia.

Dec 1987 – Feb 1988 | Served at Church of Sacred Heart, Queensland, Australia

July 1990 – June 1991 | Studied and obtained Advanced Degree in Justice and Peace from Maryknoll School of Theology in New York, USA

July 1991 – June 1998 | Second term as lecturer, formator, Spiritual Director at College General, Penang.

July 1992 – Sept 1992 | Pursued Programme on Personal Growth, Development and Spirituality for formators in Ashirvad, Bangalore, India

September 1996 – June 1998 | Administrator of the Church of the Immaculate Conception, Pulau Tikus, Penang

July 1998 – Feb 1999 | Pursued Spirituality Course at St. Joseph’s Spirituality Centre, Bangalore, India

Feb 1999 – May 2003 | Appointed assistant priest and then as the administrator of Sacred Heart Cathedral, JB

Mar 1999 – Mar 2008 | Appointed Director of Pastoral Institute of Melaka – Johor Diocese

1999 | Appointed member of the Peninsular Malaysia Pastoral Team (PMPT) and chairman of its meetings

Feb 2000 – 2011 | Appointed Vicar General Melaka – Johor Diocese

Dec 2001 – May 2003 | Appointed Diocesan administrator of Melaka – Johor Diocese

Apr 2003 – Jan 2011 | Appointed Parish Priest of Church of St. Louis, Kluang, Johor and the Administrator of Church of St. Philip, Segamat, Church of St. Peter, Mersing, Church of St. Henry, Batu Pahat and Church of St. Anthony, Cha’ah

2006 – 2011 | Appointed Chairman of the Melaka – Johor Diocesan Finance Committee

2006 | Organised the Peninsular Malaysia Pastoral Convention (PMPC) III for the Peninsular Malaysia Arch/Dioceses and the Melaka – Johor Diocesan Synod

2009 | Director of formation for seven candidates to the Permanent Diaconate ordained at Sacred Heart Cathedral in August 2011

Jan 2011 | Appointed Parish priest of Church of Christ the King, Kulai, Johor

March 2012 | Appointed assistant priest at St. Peter’s Church, Melaka

7 July 2012 | Appointed Bishop of Penang

20 August 2012 – Present | Ordained and installed as the Bishop of Penang, Rt. Rev. Sebastian Francis. D.D

2015 – 2017 | Appointed vice president of the Malaysian Consultative Council of Buddhism, Christianity, Hinduism, Sikhism and Taoism (MCCBCHST) and the Christian Federation of Malaysia (CFM)

2017 – 2023 | Appointed President of the Catholic Bishops’ Conference of Malaysia, Singapore and Brunei (CBCMSB) and member of the Central Committee for the Federation of Asian Bishops’ Conference (FABC)

January 2023 | Appointed Chairman of the FABC Office of Social Communication (OSC) which includes the governance of the Radio Veritas Asia (RVA)

9 July 2023 | Elected to the College of Cardinals

August 2023 | President of the Episcopal Regional Commission for Social Communication, for Consecrated Life and for Malaysian Catholic Education Council, Catholic Bishops’ Conference of Malaysia, Singapore, Brunei.

30 September 2023 | Appointed Cardinal at the Consistory in Rome and assigned a parish in Rome at the Church of Mary, Cause of Our Joy (Parrocchia S. Maria Causa Nostrae Laetitiae) located at Piazza Siderea, 1/A 00133 Rome, Italy.

4 October 2023 | Appointed Member of the Dicastery for Promoting Integral Human Development.