Our Team

Dion Seminara Architecture – Architects Brisbane Senior Team Members

Dion Seminara
Principal / Architect

Dion Seminara, Principal

Personal service by our principal, architect Dion Seminara is guaranteed in all stages of your project. Dion performs most design work and client interface, with regard to design and building issues.We also provide the resources and skills of our qualified team who collaborate to ensure your project is completed to a high standard and in a professional manner, from concept stage, through development of your design and documentation, to your final building.

We know how to maximise your future lifestyle within your home.

Alexandra Lowson
PA, Administrator and Marketing Assistant

Alexandra Lowson PA, Administrator and Marketing Assistant

Alexandra is Dion’s Personal Assistant, Office Administrator and Marketing Assistant. She brings to the company strong administration and organisational skills and over 15 years’ experience. Previous roles have included PA to the Regional Director of Universal Leaf Tobacco in Zimbabwe, Marketing Administrator for New Zealand Winegrowers in Auckland and Project Co-Ordinator at Eden Park over the Rugby World Cup 2011 in New Zealand. Alexandra is also a skilled photographer and has expert skills in Photoshop and InDesign.

Josephine Regan
Senior Interior Designer

Josephine Regan, Senior Interior Designer – currently on maternity leave

Josephine is our senior interior designer. After graduating from QUT with a Bachelor of Built Environment, Interior Design, in 2003, she worked for a number of years designing luxury homes on the Gold Coast and in Brisbane, before moving to the UK. Whilst overseas, she worked in a team that specialised in historic architecture and design on a number of residential and hospitality projects.  At the end of 2010, she moved back to Australia and has spent the past 2 years in Sydney designing luxury homes and multi residential developments with a focus on beach side living.  Moving back to sunny Brisbane recently, she brings with her a wealth of experience in residential interior design.

Lilian Arli
Interior Designer / Project Designer

Lilian Arli, Interior Designer / Project Designer

With over 10 years of experience, Lilian is a seasoned project designer whose experience encompasses high quality projects of small and large scale in both residential and commercial architecture sectors. She joined Dion Seminara Architecture in early 2014 after previously working for nettletontribe Sydney, Denton Corker Marshall Jakarta and Ellerbe Becket Minneapolis. Some of key projects include Lifestyle Working Collins Street (Docklands), Doltone House Event Centre Fitout (Pyrmont), Workplace6 (Pyrmont) and The East Apartment (Edgecliff). Lilian has a strong passion in architectural and interior design as well as construction details. Her energy and enthusiasm drive her to creatively explore optimal design solution for each project.

Thomas Hartigan
Graduate of Architecture

Thomas Hartigan, Graduate of Architecture

Thomas joins Dion Seminara Architecture as a recent graduate of the University of Queensland with a Masters of Architecture. Since graduating, Thomas has worked in Europe and travelled extensively, before returning to his home town of Brisbane to continue his passion for residential architecture. Prior to joining Dion Seminara Architecture, Thomas has gained valuable experience on a wide range of residential projects whilst working for a well-established Brisbane based architectural firm. He brings a fresh approach and a great passion for architecture to the team.


dion seminara architecture | Brisbane architects committed to satisfying client living + working needs
Renovation and unique new home specialists, multi-residential & fitouts | Servicing all suburbs of Brisbane and surrounds