About US


Collectively, our team offers a wealth of construction industry experience with many of our Project Managers utilising their trade background and technical knowledge to assist our clients in the successful delivery of their projects.

Working closely with the wider project team, we bring an open approach to communication, innovation to problem solving and a strong focus on working together as one towards a common goal.

Robert Jennings - Director

Australian Institute of Management MDP | Member Australian Institute of Company Directors | Member The Executive Committee

Responsible for driving Ridgemill’s profitable growth and strategic direction, along with developing key business relationships, Robert is directly involved in all of Ridgemill’s projects.

He has over 30+ years construction industry experience in delivering high quality new and redevelopment projects. Prior to Ridgemill, Robert fulfilled the role of State Manager for a national construction management company, responsible for 100 staff and over $150 million annual turnover.

Robert’s clients have included commercial, government and private entities with project exposure covering a variety of industries, including tourism, hospitality, retail, health, residential, aged care, education and mining.

Tony Lewis - Project Director

Bachelor of Building (Construction Management) | Associate Diploma of Applied Science (Building) | Member, Australian Institute of Project Management

Involved in managerial roles in the building and construction industry since 1996, Tony gained extensive practical experience through his trade qualifications and from working with large-scale contractors prior to specialising in project management.

Tony combines expert knowledge of the practical aspects of development and refurbishment works with sound management principles and a well developed appreciation of the strategic aspects of project delivery. His strong technical understanding and expertise in contract administration, risk mitigation, construction management and quality assurance, allows him to take a hands-on approach to project management.

Tony has delivered a number of large-scale, new build projects encompassing extensive stakeholder management and complex delivery components.

Mia Bannister - Associate Business Development

Bachelor of Business (Honours) Double Major – Strategic Human Resource Management and Administration Management

Mia’s role focuses on actively pursuing potential project opportunities and establishing new connections outside of our existing business network. She also works closely with our current clients to maintain our strong working relationships and to monitor the quality of our service delivery to ensure that our customer’s needs are being met.

She brings to the team extensive knowledge of the construction industry having worked with a number of Brisbane’s leading architects and building contractors.

Mia is actively involved in the Property Council of Australia and has sat on the Future Directions Committee, the Tourism Roundtable and is currently sitting her third term on the Diversity Committee.

Steve Watkins - Senior Project Manager

Diploma in Project Management | Registered Workplace Health and Safety Officer | Member, Australian Institute of Project Management

Steve is one of the longest-serving members of the Ridgemill team and has gained a wealth of experience over his long career. With a focus on functional operation, he is a live-site specialist who thinks outside of the box to deliver innovative solutions that are cost effective and meet all user group requirements.

Offering extensive experience in education, tourism, hospitality, community, health, residential and education projects, Steve is able to provide great insight into the requirements of various projects, and identify value-adding opportunities to the benefit of our clients.  

Robert Empson - Project Manager

Graduate Certificate in Building Management | Bachelor of Building Science | National Diploma in Architectural Technology

Robert’s experience and calm considered style, supported by his attention to detail and accuracy, offers a methodological approach to project delivery. He has worked on projects in a number of industry sectors including education, residential, tourism, sport and recreation, commercial, industrial, retail and aviation.

He plays an active part in the majority of our projects utilising his specialist programming expertise and understanding of project delivery to produce effective master programs that consider all project challenges, highlight potential risks, and allow the identification of mititation strategies to elminate adverse impacts to delivery timeframes.

Diane Seres - Project Manager

Advanced Certificate in Building Technology – Estimation/Administration | Advanced Certificate in Building Technology – Supervision | Quality Assurance – Internal Auditor

Throughout her 30+ year career, Diane has undertaken a variety of roles within the construction industry – builder, consultant, client and project manager. This exposure to all elements of project delivery has given Diane the unique ability to understand complex and potentially challenging situations from the viewpoint of all parties and, as a result, she is able to effectively problem solve to achieve a satisfactory outcome for all stakeholders.

Diane’s direct, open and honest approach has contributed to the successful delivery of a number of multi-faceted and demanding projects in a variety of industry sectors: health, education, commercial, residential and utilities. She has both metropolitan and remote experience for private and public clients, including working within Government departments as an in-house consultant advising on planning and design of capital works projects.

Stephen Ingham - Project Manager

Australian Institute of Project Management CPPM Certification |
Diploma of Engineering Construction Hydraulics | Diploma of Architectural Technology | Member, Australian Institute of Project Management

Steve has both technical and practical experience in all aspects of project delivery. His career commenced in the role of draftsman, providing planning, design and drafting services for residential projects including electrical layouts, architectural design and foundation/site plans. He went on to become a Hydraulic and Fire Design Engineer – advising on technical information, designing and documenting projects and undertaking final inspections.

As an experienced client-side Project Manager, Steve has overseen the delivery of numerous projects including educational facilities, renewable energy developments, science laboratories, agricultural facilities and community-based projects.

Bradley Hill - Project Manager

Bachelor of Construction Management – QS | Diploma in Construction Management – CM | Advance Trade Carpentry | Trade Certificate in Carpentry

Bradley has over 20 years’ experience in the construction industry and has worked on projects ranging from $3M – $350M in a variety of sectors: industrial, aged-care, high density and luxury residential, multi-use developments, commercial fitouts, education and health.

His understanding of these sectors, and the specific challenges and opportunities that each one presents, allows him to efficiently progress projects with little to no impact to programme. Bradley operates in a transparent and collaborative fashion which provides confidence and reassurance to our clients that they have full visibility on project governance, financial status, commercial risks and stakeholder responsibilities.

Mark King - Project Manager

B App Sci – Construction Management

Mark has over 29 years’ construction industry experience and has delivered over $190M in projects over the past 12 years.

As a Client-side Project Manager/Superintendent, Mark’s experience spans a range of projects including: large scale commercial, retail and industrial developments, commercial office and tenancy fit-outs, residential developments both green field and redevelopment of existing buildings.

He is experienced in both Project Manager and Superintendent roles and has undertaken the full range of project management service provision. His understanding of delivery frameworks, legislation and industry requirements spans a broad range of industries and he is able to effectively work within a variety of sectors.

Chelsea Wallace - Operations Administrator

Bachelor of Psychological Sciences – Psychology (currently deferred)

Chelsea provides ongoing support to Ridgemill’s Director through business system implementation, incorporating monitoring of our Quality Assurance System and office administration procedures, to ensure that our management tools are operating efficiently and effectively.

She works closely with the project management team to ensure that construction management procedures are being delivered in line with our service commitments and to the satisfaction of our clients. Her autonomous approach to construction administration enables our Project Managers to focus on their on-site commitments and day-to-day project delivery. This proactive approach allows them to operate in a responsive and flexible manner, secure in the knowledge that the required administration tasks have been addressed and closed-out as necessary.

Amanda Butler - Project Support Officer

Associate Degree in Business

Amanda provides daily support for our Senior Project Manager, Steve Watkins, in a variety of contract administration processes to assist him in effectively delivering his project commitments.

Her efficient provision of project management services for all project stakeholders – client, contractor, external consultants and end users – facilitates a collaborative approach throughout the life-cycle of a project which in turn creates effective working relationships.

Her strong office administration background and process-driven approach further enhances her ability to service our clients by providing efficient cost management services and contract administration support.


The Ridgemill team offers our clients a wealth of experience in a range of industry sectors. Technical knowledge and lessons-learned from a variety of past projects are transferred to new opportunities to ensure our clients receive high-quality service that focuses on effective time and cost management.


Mantle Group
The Rocks, Sydney | $8.5M

Winner – Hospitality Buildings, Refurbishment $10,000,001 & Over, Master Builders Excellence in Construction Awards, Xenia Constructions


Mckenzie Aged Care Group
Buderim, Sunshine Coast | $25M


DeMartini Fletcher
Wynnum, Brisbane | $25M

Finalist 2019 UDIA QLD Awards in both the High-Density Development (10 Storeys or Less) and Medium-Density Development Categories


Department of Education
Coomera, Gold Coast | $59M


Villanova College
Tingalpa, Brisbane | $1.5M


Department of Education
Toowong, Brisbane | $33M