Optimally Logo Black
Empowering Businesses
Through Mental Health

Our Team

We are a specialist team of workplace psychologists and health professionals specialising in delivering targeted mental and physical health support across professional services.
Our Team
Our collective experience spans over eight decades, with a strong focus on helping individuals navigate the complexities of high-pressure, high-performance environments.

With a rich background in clinical and organisational psychology, precision and functional medicine, organisational dynamics and best practice training, our clinicians are uniquely positioned to help organisations manage the psychological demands of their roles while promoting resilience and long-term well-being in both a one on one and group setting.

Senior leadership team

Rajna Profile
Rajna Bogdanovic 
Founder and CEO
Clinical and Organisational psychologist and trainer
MClinpsy MAPS NZPB FCCLP MNZAPP
Rajna (she/her) is a Clinical and Organisational Psychologist who has a deep desire to revolutionise the way we provide mental and physical health services to professional services firms in Aotearoa New Zealand, Australia and Asia-Pacific.
Seini

Dr Seini O’Connor

Head of clinical
Counseling psychologist and trainer
BA(Hons), GradDipCom, BSc(Hons), MSc, PhD, NZPB registered
Seini (she/her) is a distinguished Counselling Psychologist and the Head of Clinical at Optimally, where she leads the development and delivery of our mental health services. With a profound commitment to fostering healthier, more connected, and more meaningful lives, Seini is dedicated to supporting individuals and teams in navigating the complexities of high-performance environments.

Clinical and Training Team

Di McCauley
Di McCauley
Precision Medicine Practitioner and trainer
BHSc (Comp Med), Dip.CHM, Accredited Member Methylation & Genomics Institute
Rachel
Rachel Bowden
Health Coach and trainer
MBiomedSc (Hons), DipHSc (Nutrition), Certification in Health and Nutrition Coaching
Rachel (she/her) is our in house health optimisation and sustainability expert dedicated to helping professionals in high-demand environments optimise their health and performance through sustainable lifestyle changes. With a Master's in Biomedical Science and extensive clinical experience in the medical and functional health longevity space, Rachel supports busy individuals in professional services firms to enhance their sleep, nutrition, movement, and daily habits, ultimately improving overall well-being and productivity.
Paul Profile
Dr Paul Duignan
Clinical and strategy psychologist and trainer
M (Soc Sci), M(Applied)Psych, PhD, NZPB registered
Paul (he/him) is an accomplished Clinical Psychologist and organisational strategist committed to individual and collective well-being. With an extensive career spanning across clinical and strategy psychology, Paul explores human behaviour in individual, organisational and social contexts and writes, presents and comments on the new external forces shaping us, such as AI, social media and hyper-fast social change.
Rachel Turner
Psychologist
BA (Hons), PGDip Cognitive Behaviour Therapy (CBT), NZPB registered
Rachel is a Registered Psychologist with over 20 years’ experience supporting wellbeing, mental health, and performance across organisational, mental health, and high‑pressure environments. Her practice centres on proactive, strengths‑based approaches that help professionals at all organisational levels sustain psychological wellbeing while navigating complex, high‑demand settings.
Dr Duska Tadic
Dr Duska Tadic
Clinical Psychologist
Clinical Psychologist PhD MClinPsy MAPS FCCLP
Duska (she/her) is a seasoned Clinical Psychologist with over 12 years of experience supporting professionals in high-performance environments. Specialising in enhancing well-being, resilience, and performance, Duska works with individuals and teams in professional services firms to optimise their mental and emotional well-being, enabling them to excel under high-pressure demands and maintain sustained performance.
Karin
Karin Muir (on parental leave)
Clinical Psychologist and trainer
PGDipClinPsych, MSc, MNZCCP
Karin Muir (she/her) is a Clinical Psychologist with over a decade of experience helping professionals in high-performance environments optimise their mental and emotional well-being. Karin brings a broad skill set to her work with individuals and teams in professional services firms. She specialises in enhancing well-being, resilience, and focus, empowering professionals to perform at their best while managing the demands of their roles.
Mandie
Mandie Stewart
Counselling psychologist and trainer
PGDipCounsPsych, MHSc(hons), NZPB registered
Mandie (she/her) is a Counselling Psychologist with a wealth of experience in supporting high-performance professionals. Her career began in the Royal New Zealand Navy, where she served as a medic across the South Pacific and in the Middle East. These intense environments shaped her understanding of resilience, teamwork, and the mental demands of high-pressure roles, sparking her passion for helping others navigate similar challenges in the world of professional services.
MIchelle
Michelle Lenaarts
Counselling Psychologist
PGDipCounsPsych
Michelle (she/her) is a Counselling Psychologist who specialises in helping professionals in high-pressure environments unlock their full potential and build lasting resilience. Drawing on her background as a high-performance athlete, Michelle understands the mental and emotional strategies required to succeed in demanding careers. This insight drives her commitment to helping individuals in professional services firms navigate workplace stress, enhance performance, and achieve a balanced, fulfilling life.

Dylan Bellett

Registered Counsellor
Dylan is a registered counsellor based in Auckland, working with individuals navigating anxiety, stress, relationship challenges, trauma, and significant life transitions. His background includes supporting children and families affected by family violence, alongside experience in community, academic, and leadership settings.
Lena Profile
Lena Sevastianova
Administration and Operations Manager
Lena brings heart, precision, and a sharp operational mind to Optimally. With a strong background in administration, systems thinking, and project delivery, she plays a pivotal role in ensuring our work runs smoothly behind the scenes - and that our clients and clinicians are supported at every step.
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