Meet The Team
Our compassionate psychologist and team bring a wealth of expertise and a shared commitment to your well-being. We are dedicated to providing a supportive, insightful, and affirming experience tailored to your unique needs.
Cohesion Psychology offers a variety of services for individuals, children, families, and couples.




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Dr. Katherine McLachlan
Dr. McLachlan is a registered psychologist with a Master's degree in Psychology and a Doctorate in Clinical Psychology. She specializes in adult autism and ADHD assessments, with a deep commitment to affirming neurodiversity and fostering a strengths-based approach.
Dr. McLachlan also brings extensive experience in psychoeducational assessments for both children and adults. Her clinical style is both compassionate and comprehensive, grounded in the belief that understanding the brain’s unique wiring can be a powerful tool for self-awareness and growth.
A longtime advocate of mindfulness, Dr. McLachlan incorporates meditation into her personal life and values its role in promoting mental well-being.
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Jean
Jean is a vital force in our seamless operations and engaging online presence.
Driven by a deep passion for psychology, Jean also spearheads our digital initiatives. This includes developing engaging content, strategically managing our social media, designing impactful visuals, and leading web design efforts to ensure an intuitive and welcoming online experience.
Jean's multifaceted contributions, combined with her warm and professional demeanor, embody Cohesion Psychology's commitment to excellence in every interaction.
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Carey
Hailing from a background marked by educational challenges and a diverse career path, Carey is an Executive Functioning Coach who found her calling after a personal ADHD diagnosis that reshaped her self-understanding.
Now a certified coach from ADDCA, she leverages her experiences to help others with ADHD reimagine their potential and navigate life with newfound self-compassion.
Carey is passionate about guiding individuals towards a fulfilling life, redefined relationships, and achieving their goals.
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Theresa
Theresa is a trauma-informed coach currently completing her Master’s degree in Applied Psychology from International University.
Passionate about fostering resilience, she offers social skills training, academic tutoring for children, and executive functioning coaching for adults. With an appreciation for diverse cultures, Theresa brings a global perspective to her work, ensuring her approach is inclusive, compassionate, and impactful.
Her dedication to personal growth and cross-cultural understanding fuels her mission to support others in navigating challenges and building meaningful lives.
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Monnica
Monnica is a dedicated intern at Cohesion Psychology, where she supports assessments with care and precision.
With a strong interest in both educational and forensic psychology, she brings a thoughtful and detail-oriented approach to her work. Monnica is passionate about understanding neurodiversity and is committed to helping individuals feel seen, understood, and supported throughout the assessment process.
Her curiosity and compassion drive her to keep learning and growing as she contributes meaningfully to the team.
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Illona
Illona is our French-speaking psychology intern from France, currently pursuing her Master’s degree in Educational Psychology.
She assists with French-language assessments and has a strong interest in understanding reading difficulties in both English and French. Illona is passionate about supporting individuals with learning differences and helping them access the tools they need to thrive academically.
Known for her calm and approachable demeanor, she creates a welcoming environment that fosters trust, connection, and meaningful growth.