Joe Triglone

Business Manager

B Comm, CA

Joe came to Trinity in July 2014 after working for 12 years as an Accountant, in public practice and then commerce. His role now is to oversee the support staff, as well as the general (non-academic) management of the College. Joe has been attending All Nations Presbyterian Church since 2012.

Janette Joubert

Finance Assistant

Cert IV Acc

Janette has been working as the Finance Assistant at Trinity since July 2014 and enjoys being part of the team. She and her family emigrated from South Africa in July 2008 and are part of the community at Lake Joondalup Baptist Church.

Gillian Kirkness

Personal Assistant to the Principal


Gillian has been part of the Trinity staff since 2005, serving 10 years as Registrar and now as Personal Assistant to the Principal. Gillian is part of the 10:00am Rosalie Congregation at St Matthew’s Anglican Church in Shenton Park.

Eleanor Lyons


BBus (Acctg), CPA

Eleanor started at Trinity in 2015 and has been in the role of Registrar since 2016. Eleanor is the first point of contact for prospective students and is always keen to assist students with administrative issues.  She is currently attending Subiaco Church of Christ.

Sheri Johnston

Assistant Registrar

BBA Finance

Sheri joined Trinity in 2016 and her role involves processing student applications and enrolments and assisting with student enquiries.  She and her husband Ben moved to Perth from the USA in 2012. Ben is currently the Senior Pastor at Subiaco Church of Christ. She has enjoyed working in children’s ministry for over 25 years.

Elizabeth (Liz) Manassah

Senior Librarian

BA(Libsh), GDip(ISys)

Liz joined Trinity in 2021 after working in academic and public libraries and completing a ministry apprenticeship. Her role is to oversee the Library and ensure library users have access to the information they need when they need it. Liz currently attends Dalkeith Anglican Church.

Joanne McGill

Library Assistant


After helping in the Trinity library for over a year, in February 2022 Joanne took on the role of Library Assistant where she supports the Senior Librarian and assist students. Joanne and her family are part of the 9am congregation at St Matthew’s Shenton Park.

Kelly Penhale

Certificate Studies Coordinator

BAppSci(Psych), PGradDipPsych

Kelly has lived her whole life in Perth and started at Trinity in February 2017 as the Coordinator of the Certificate of Christian Studies. She loves worshipping at Kallaroo Anglican Church where she is involved in women’s bible study and service leading.

Nathaniel (Nat) Brown

Development and Communications Coordinator


Nat commenced working at Trinity in the Development Office in 2018 after having worked for more than 15 years as a film maker and story teller. He is honoured to serve God and share the story of what he is doing in and through Trinity. Nat currently attends Red Door Church.

Colleen Mugridge

Development Assistant

Colleen commenced working at Trinity in the Development Office in 2015. She enjoys working in the Trinity community and feels privileged to be a part of equipping people for Word ministry locally and further afield. Colleen serves at Mt Hawthorn Baptist.

Alchenny (Chen) Agyputri

Administration Assistant


Selam Berhanu

Administration Assistant