
Justin Miller Art works on the secondary market, aiding the sale of some of Australia’s most important and celebrated artists.

JUSTIN MILLER
Director
Justin is one of Australia’s most trusted art advisors. He negotiates for a number of the nation’s most important private and corporate collectors, advising on the purchase and sale of 19th and 20th century Australian, European, American and Asian paintings, drawings and sculptures.
With over twenty-five years experience in the fine art auction industry, eleven of which he spent at Sotheby’s Australia as Chairman from 1999 to 2010, Justin has been instrumental in the sale of many of Australia’s most iconic artworks.
Through his frequent and wide ranging travels to major international auctions, fairs and events, Justin has developed a network, second to none, of the art world’s most dynamic dealers, curators, collectors and enthusiasts.
Justin Miller is also a Director and Foundation Trustee of the Sydney Theatre Company, a member of the board of Governors of the Taronga Zoo and an Ambassador of the Australian Museum of Contemporary Art. He holds an Honours degree in Fine Art and Anthropology from the University of Sydney Australia and is an approved valuer for the Australian Government’s Cultural Gifts Program.

NINA PETHER
Director, Art Advisory & Strategic Projects, Justin Miller Art
With over 20 years of experience, Nina is a highly respected leader in fine art advisory, specialising in both Australian and international art. At Justin Miller Art since 2010, she leads the firm’s strategic art acquisitions and curates bespoke art programs for residential, commercial, and hospitality spaces.
Nina’s expertise extends beyond acquisitions; she integrates art seamlessly into architectural design, creating dynamic and impactful collections that enhance the spaces they inhabit. Her vision and leadership make her a trusted advisor for clients seeking to elevate their environments with thoughtful, curated artworks.
Nina holds a Master’s in Curating and Cultural Leadership from UNSW and is passionate about the intersection of fine art and design.

SERENA WILLIAMS
Gallery Manager & Art Consultant, Justin Miller Art
Serena has over 10 years of expertise in gallery and collection management, with a focus on Aboriginal, Australian, and international art. Since joining Justin Miller Art in 2018, she has played an essential role in advising clients on curation, acquisitions, and exhibitions, ensuring the highest standards of collection management.
Her client-focused approach fosters long-term relationships, providing tailored solutions for each individual collection. Serena’s role is critical in ensuring collections are not only thoughtfully curated but also meticulously managed and displayed.
Serena holds a Master of Art Curating and a Bachelor of Arts from the University of Sydney.

MEZ MIA
Senior Project Manager & Curatorial Specialist, Justin Miller Art
Mez is an experienced arts professional, specialising in curating and managing large-scale art projects. With a background working at Sotheby’s London and several prestigious museums, she joined Justin Miller Art in 2019 to manage corporate exhibitions and high-profile art initiatives from concept to completion.
Her creative vision combined with her logistical expertise ensures that each project is executed flawlessly. Mez is known for her ability to design impactful art experiences that resonate with both clients and audiences.
She holds a Master’s in Islamic Art History from SOAS and brings a global perspective to her curatorial work.