Unlock Your Potential with Mental Performance Coaching

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Helping students, athletes, parents, and adults perform better, manage stress, and build confidence through practical mental performance tools.

Book a 30-minute consult with our team now

Marci Sier is a Certified Mental Performance Consultant (CMPC) and High-Performance coach who helps people do better, not because something is broken, but because everyone can grow.

She works with students, athletes, parents, and adults who want to improve focus, confidence, and resilience in everyday life. With experience coaching national-level athletes and applying performance psychology to real-world challenges, Marci brings both expertise and empathy to every session.

Marci believes that stress, mistakes, and setbacks aren’t obstacles, they’re opportunities to build skills that last a lifetime. She equips clients with practical tools and strategies to thrive, not just cope.

Meet Straight Up Health’s Certified Mental Performance Consultant & High Performance Coach

Set up a 30-minute session with us now
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Our Approach

We work with people who are already functioning, but want to do better. Our work sits between mental health therapy and peak performance coaching.

    • Students: Perform better at school, sports, or creative pursuits.

    • Adults: Break cycles of low motivation, procrastination, or stress.

    • Parents: Raise emotionally aware, resilient kids.

    • Kids: Learn early tools for self-regulation, confidence, and healthy risk-taking

    • Uses performance psychology for everyday challenges.

    • Breaks goals into realistic, process-oriented steps.

    • Teaches stress-management and emotional awareness to prevent burnout.

    • Provides practical, interactive strategies, even playful ones for younger kids.

    • Focused on tools, not treatment, no diagnosis required.

    • Helps parents and kids handle mistakes, build resilience, and find intrinsic motivation.

    • Dual lens: coach of high-level athletes + expert in performance and mental skills.

Book a 30-minute consultation

Ways to Leverage Our Mental Performance Coaching

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    Individual Coaching

    For students, adults, or parents who want to improve focus, confidence, motivation, or manage everyday stress. Marci tailors 1:1 sessions with practical tools and routines that help you thrive in school, work, sports, or creative pursuits.

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    Youth & Student Workshops

    Interactive sessions for young people looking to perform better academically, creatively, or in sports. Learn to manage nerves, recover from mistakes, stay motivated, and build confidence, skills that carry beyond any single activity.

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    Parent Sessions

    Helps parents guide children through challenges at home, school, or extracurriculars without pressure. Learn how setbacks build resilience, how to model emotional awareness, and set healthy expectations that foster growth and confidence.

  • A rugby team in a huddle on a field with mountains in the background at sunset.

    Team & Group Programs

    For coaches, teachers, or group leaders looking to integrate mental performance and life skills. Includes consultation, tailored strategies, and guidance for applying tools in practice, study, or creative work.

  • Classroom with students raising hands and a teacher at the whiteboard.

    Customized Programs

    For schools, organizations, or groups with specific goals. Combines workshops and coaching to cover pre-, during-, and post-performance strategies in a program tailored to the group’s needs - academics, sports, or life skills.

Schedule a 30-minute consultation

Sarah L., Parent

“Marci helped my daughter see mistakes as opportunities, not failures. Her confidence and focus have grown so much, both on the field and in school.”

Coach Emma L., Youth Tennis Team

“Marci’s workshop for our tennis team was a game-changer. The players learned how to manage nerves, reset after mistakes, and stay focused during matches. It’s already made a big difference on the court.

Take the First Step

Every strong performance starts with a strong mind. Whether you’re a student, athlete, parent, or professional, Marci can help you build focus, confidence, and resilience. Fill out the form below to start your journey, your toolkit for success begins today.