About us

Executive Leadership

Siann Bullemor - General Manager

In her role as General Manager, Siann oversees service delivery across all Centacare programs. Siann started her career working in front-line roles with high-risk children and families and developed a passion for guiding organisations to implement best practice standards, to ensure that every single person in our community receives the support that they deserve.

Her professional resume includes a range of leadership roles in non-for-profit and community service organisations, throughout Queensland and Western Australia. These roles have included guiding organisations through legislative changes, designing and implementing and service delivery models, and overseeing complex operations across a wide geographically dispersed area. Her expertise lies in embedding clinical knowledge into organisational frameworks, to ensure service delivery exceeds best practice standards.

Siann holds a Bachelor of Psychological Science (Honours) and is finishing her Master of Business (Human Resources) in 2026. Siann is passionate about creating a culture of learning and development with organisations and believes strongly that staff do their best work in environments that promote empathy and respect as core values.

Kylie Le Leivre - Senior Manager, Reintegration Services

Kylie leads the delivery of Reintegration Services across the Kimberley, ensuring consistent and effective support throughout the region.

Kylie is a proud Nyikina woman based in Derby, with a diverse background spanning station work, mining, horticulture, transport, tour guiding, Landcare, health, education, and justice.

Kylie has contributed extensively to her community through both professional roles and volunteer commitments, including involvement with the Derby Rodeo Club, firefighting, Scouts, Derby Swimming Club, and the Environmental Landcare Group. She has served on the TAFE Governing Council and the Aboriginal Justice Advisory Committee (AJAC). She currently sits on the WA ABCRA Zone Committee and is a Director of the Walalakoo Aboriginal Corporation.

Driven by a passion for supporting people experiencing disadvantage, Kylie is committed to strengthening community wellbeing across generations. She values culture, family, and connection to Country, and enjoys spending time out bush—camping, fishing, swimming, and exploring.

Deidre Lechleitner - Manager, Housing and Homelessness

Deidre Lechleitner is from Central Australia and has extensive experience across Aboriginal health, community services, family support, mental health, housing and homelessness. She moved to the Kimberley with her partner and children to reconnect with Country and family.

Deidre began her career within Aboriginal Medical Services as a Dental Nurse and has since built diverse experience across frontline service delivery, case management, systems development, community engagement, governance and operational leadership. Her career has included supporting children and families, women experiencing family and domestic violence, people experiencing mental health challenges, and individuals and families experiencing housing insecurity and homelessness.

Today, as Manager of Housing and Homelessness Support Services at Centacare Kimberley, Deidre leads multidisciplinary teams delivering services across the housing and homelessness continuum in Broome and Derby. Her leadership focuses on service development, program governance, building strong partnerships and strengthening responses for people experiencing homelessness and housing vulnerability.

Deidre brings together professional experience, cultural knowledge and a strong understanding of the social factors that influence health and wellbeing. She is passionate about culturally responsive services, strong partnerships and practical solutions that support individuals, families and communities to achieve greater stability and wellbeing.

Esther Shaw - Manager, Family Services

Esther brings extensive experience in community services and a deep commitment to strengthening children, families, and communities across the Kimberley.

Having grown up in Derby and the wider Kimberley region, she is proud to have returned home to make a meaningful difference in the community that shaped her.

Esther holds a Bachelor of Social Welfare and a Graduate Diploma of Counselling, specialising in Child, Youth, Family and Relationship Therapy. Her professional background includes case management, advocacy, service coordination, crisis response, and collaborative support planning, working alongside government agencies, non-government organisations, and community stakeholders to support families with complex needs.

Guided by a strengths-based, person-centred approach, she is passionate about empowering families, building strong community partnerships, and delivering culturally responsive services that create positive and lasting outcomes.

Michelle Muzzarelli - Manager, People & Culture

Michelle provides strategic leadership across People and Culture, partnering with leaders to build a positive workplace culture, strengthen workforce capability, and support the delivery of high-quality services across Centacare Kimberley.

With over 15 years of experience in Human Resources and Learning and Development, Michelle has worked across a range of industries, predominantly supporting frontline and blue-collar workforces. Her background spans healthcare, aged care, mining, construction, commercial services, and the not-for-profit sector, bringing extensive experience across all areas of human resources, including employee and industrial relations, workforce planning, recruitment, organisational development, capability development, workplace investigations, learning and development, policy and governance, and strengthening compliance frameworks.

Michelle has extensive experience developing practical HR frameworks, implementing HR systems, and leading workforce improvement initiatives that strengthen compliance, build organisational capability, and support leaders to lead with confidence. She has a proven track record of establishing contemporary people practices, strengthening governance, and implementing systems that enable organisations to grow, adapt, and build long-term workforce capability. She is passionate about designing practical, fit-for-purpose solutions that enhance consistency, reduce risk, improve employee experience, and drive continuous improvement across the employee lifecycle.

Holding an Advanced Diploma of Business, a Diploma of Human Resource Management, and a Diploma of Business (Compliance), Michelle is dedicated to ongoing professional development and delivering contemporary, practical, and people-centred HR practices that strengthen both people and organisational performance.

Michelle believes that people are at the heart of every successful organisation. She is passionate about helping leaders build confident, capable teams and creating workplaces where people feel supported, valued, and empowered to do their best work. She believes practical systems, clear processes, and strong governance provide the foundation for positive workplace cultures and sustainable organisational success.