Meet the Team

Our team blends expertise in clinical behavior, mentorship, education, and real-life life coaching to support each young adult’s journey. We’re committed to caring, collaboration, and long-term results.

  • Tim McMahon headshot

    Tim McMahon

    FOUNDER & EXECUTIVE DIRECTOR

    Tim has spent more than 30 years shaping innovative programs that help young adults bridge the gap between treatment and independence. His career began in residential and academic therapeutic settings across the country, where he developed a passion for practical, relationship-based learning. In 2011, he founded Brightstone with a vision to create a supportive, real-world community where neurodiverse young adults could build confidence, life skills, and lasting independence.

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    Tim continues to take a hands-on approach to leadership, ensuring that Brightstone’s mission stays grounded in genuine connection and individualized support. His belief in experiential, action-oriented learning is at the heart of Brightstone’s success. In addition to leading the Brightstone team, Tim enjoys spending time outdoors with his daughters.

  • Jamila Minnifield headshot

    Jamila Minnifield, MA

    DIRECTOR OF GUIDED TRANSITIONS

    Jamila leads Brightstone’s Guided Transitions program, helping young adults and their families navigate change with confidence and compassion. With over a decade of experience supporting neurodivergent individuals and complex family systems, she integrates therapeutic coaching with creativity, movement, and experiential learning. Her professional background spans wilderness therapy, foster care, and clinical practice, where she’s championed trauma-informed, strength-based approaches that emphasize connection over correction.

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    At Brightstone, Jamila’s work centers on helping parents and young adults build communication, resilience, and trust—skills that extend far beyond the program. She is dedicated to increasing representation and understanding within therapeutic spaces, particularly around issues of diversity and transracial adoption. Outside of work, Jamila enjoys hiking with her dogs, fly-fishing, and exploring the restorative power of the outdoors.

  • Aleshka Szypulski headshot

    Aleshka Szypulski

    DIRECTOR OF ADMISSIONS & OUTREACH

    Aleshka is often a family’s first point of contact, guiding them through the admissions process with empathy and clarity. She brings over a decade of experience in behavioral health, representing a range of programs including adolescent treatment, young adult transitions, and wilderness therapy. Her deep professional knowledge is complemented by her personal experience as the parent of a neurodiverse adolescent, giving her unique insight into the challenges and hopes of the families she serves.

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    Aleshka’s goal is to ensure that each family feels understood, supported, and empowered as they begin their Brightstone journey. She is inspired by Brightstone’s focus on practical skill-building and community integration as a pathway to independence. When not connecting with families, Aleshka enjoys playing piano, painting, exploring the outdoors with her children and poodle, and caring for her flock of backyard chickens.

  • Lauren McMahon Headshot

    Lauren Kraemer McMahon, LCSW

    DIRECTOR OF OPERATIONS & CLINICAL SUPPORT

    Lauren serves as Brightstone’s Director of Operations and Clinical Support, where she oversees program organization, clinical supervision, and the implementation of best practices to ensure quality care. She is a Licensed Clinical Social Worker with a Master’s degree in Social Work and more than 15 years of experience in mental health and recovery services.

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    Lauren’s background includes directing clinical services at Brightstone, running her own private practice, and developing women’s treatment and recovery programs. In her current role, Lauren supports both clients and staff through mentorship, system development, and outreach. She is passionate about creating environments where young adults and families can thrive. Outside of work, Lauren enjoys time with her family and loves spending time at the lake.

  • Janet Lamb headshot

    Janet Lamb

    ACTIVITIES COORDINATOR

    Janet designs engaging, hands-on experiences that help young adults build confidence, connection, and real-world skills. She began her career in the helping professions while living just outside New York City, where she discovered a passion for empowering others through growth and exploration. After returning to Georgia, she joined Brightstone as a mentor and quickly found her calling in developing activities that blend learning, fun, and community.

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    Janet’s warm, encouraging approach helps participants stretch beyond their comfort zones while celebrating each milestone along the way. She finds joy in witnessing the small moments of progress that lead to lasting independence. Outside of Brightstone, Janet is a devoted mother who loves traveling, staying active outdoors, and practicing her French.

  • Kelley Bowen headshot

    Kelley Bowen

    DIRECTOR OF BRAND & MARKETING

    Kelley guides Brightstone’s brand and marketing strategies to ensure families and partners understand the impact of the organization’s work. She brings decades of experience building and leading brands across consumer, lifestyle, and wellness industries, including creative leadership roles at global brands and her own agencies, Group Creative and The Brand Set.

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    Kelley has a track record of translating complex ideas into clear, engaging stories that resonate with audiences, strengthen connections, and inspire action. At Brightstone, she applies this expertise to elevate the organization’s mission, helping families feel seen, supported, and empowered on their journey. She is passionate about crafting messaging and experiences that reflect Brightstone’s values and the real-world impact of its programs. Outside of work, Kelley enjoys spending time with her husband and dog, hosting friends and family, painting, and traveling.

Let’s talk about what’s next.

We’d love to learn more about you and how we can help support your next chapter.

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