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Welcome to StretchLab Castro

StretchLab instructor assisting person with stretch

First 50-Minute Stretch & Mobility Assessment For Only $79!

      Castro Schedule

      One-On-One Stretches
      1 ?

      Stretching Programs

      Membership & Packages Available
      Please contact our studio directly for additional memberships and packages.
      +1 (415) 854-1880 or castro@stretchlab.com

      Flexologists

      Amy T
      Amy T
      Flexologist
      She/her Amy brings over a decade of Pilates teaching experience, helping clients build strength, confidence, and a deeper understanding of how their bodies move. Her background working with people recovering from injuries, navigating pregnancy, or managing mobility challenges allows her to tailor every stretch with care and precision. She blends extensive training in movement and rehabilitation to create sessions that are both supportive and effective. Clients appreciate her warm, encouraging presence that makes progress feel achievable at any level. Amy’s goal is always to help people feel better, move better, and feel proud of what their bodies can do.
      Emily G
      Emily G
      Flexologist
      (she/her) Emily brings a strong kinesiology background and hands-on movement experience to every session. Her work in physical therapy settings supports clients of all ages, while her experience coaching middle school and club volleyball gives her unique insight into the needs of young and growing athletes. She understands how mobility, recovery, and alignment can support developing bodies through growth-related tightness as well as adult movement goals. Emily’s approach is patient, encouraging, and clearly guided, helping clients feel comfortable and confident as they move. Her sessions are thoughtful, effective, and designed to promote healthy movement at every stage of life.
      Jorge S
      Jorge S
      Flexologist
      he/him | Jorge combines his fitness training expertise with the expressive movement skills he’s developed as an actor, bringing an upbeat and engaging energy to every session. He has a talent for explaining movement in a way that feels intuitive, helping clients step into stretching with confidence. His group fitness background sharpens his ability to read the room and adjust quickly to what people need. Clients appreciate the motivation, creativity, and personality he brings to each session. With Jorge, stretching feels purposeful, dynamic, and surprisingly fun.
      Isaac J
      Isaac J
      Flexologist
      he/him | With a kinesiology background and over five years of hands-on bodywork experience, Isaac brings a steady, confident approach to stretching that helps clients feel supported and at ease. His years playing competitive basketball and coaching youth athletes shaped his understanding of how to guide bodies safely through movement and recovery. Isaac moves with clarity and control, allowing him to comfortably assist clients through stretches with smooth transitions and clear direction. His sessions strike a balance between relaxing and effective, adapting easily to conversation or quiet focus. By creating space for people to be fully themselves, Isaac helps clients move more freely and leave feeling lighter in their bodies.
      Justin C
      Justin C
      Flexologist
      (he/him) Justin brings a thoughtful, movement-quality–focused approach to stretching, informed by his kinesiology studies and hands-on experience in physical therapy settings. His academic focus on motor assessment and adaptive movement gives him a strong foundation in understanding how different bodies move and recover. Justin is skilled at guiding clients through stretches with patience, clarity, and attention to individual needs. His background working in fast-paced, client-facing environments has shaped his calm communication style and ability to adapt in the moment. Whether supporting mobility, recovery, or everyday movement, Justin creates sessions that feel safe, informed, and confidence-building.
      Sarah C
      Sarah C
      Flexologist
      Sarah brings an energetic, movement-focused approach to stretching shaped by her experience coaching group fitness and strength training. Her work leading workouts at the YMCA has given her a strong foundation in safe movement patterns, form correction, and helping people move with confidence. She has a natural ability to build rapport with clients and guide them through mobility work that feels both supportive and empowering. Sarah’s sessions combine clear instruction with positive energy that keeps clients engaged in the process. Clients leave feeling stronger, more mobile, and more connected to their bodies.
      Erin L
      Erin L
      Flexologist
      Erin brings a strong healthcare and movement-science background to her stretch sessions, shaped by years of hands-on patient care and clinical experience. Her work in medical and recovery-focused environments has given her a deep understanding of how the body responds to injury, stress, and movement. She approaches each session with attentiveness and care, helping clients feel comfortable while improving mobility and body awareness. Erin’s calm, supportive style makes it easy for clients to relax and trust the process. Her sessions focus on helping clients move better, recover well, and feel confident in their bodies.
      Simran C
      Simran C
      Flexologist
      She/her Simran brings a strong background in physical therapy and rehabilitation to every session. Her experience working in clinical settings and supporting patients through recovery has given her a deep understanding of body mechanics, movement patterns, and how the body responds to injury and stress. She is especially skilled at helping clients improve mobility while reinforcing proper movement and addressing areas of tightness or imbalance. Simran’s approach is attentive, structured, and grounded in technique, helping clients feel supported while making meaningful progress. Her sessions are thoughtful, effective, and designed to help clients move better, recover well, and build long-term mobility.
      Royce C
      Royce C
      Flexologist
      (he/him) Royce brings a hands-on, client-centered approach to stretching, informed by his training in massage therapy and ongoing study of anatomy and movement. His interest in manual therapy, joint mobility, and flexibility allows him to tailor sessions to each client's unique needs and goals. Royce enjoys understanding how people move and using that knowledge to create personalized stretch experiences. His calm presence and attention to detail help clients feel comfortable while making meaningful progress. Whether focused on mobility, recovery, or general wellness, Royce creates sessions that feel thoughtful, effective, and individualized.
      Anthony M
      Anthony M
      Flexologist
      (he/him) Anthony brings a healthcare-informed perspective to stretching, shaped by his experience in massage therapy, patient care, and nursing education. His background across both clinical and wellness settings has given him a strong understanding of how the body responds to stress, recovery, and movement. Anthony is skilled at helping clients feel comfortable and supported while working toward their mobility goals. His compassionate approach and strong communication skills allow him to meet clients where they are and adapt sessions to their individual needs. Whether supporting recovery, reducing tension, or improving mobility, Anthony creates sessions that are attentive, encouraging, and results-oriented.

      Our Stretch Services

      One on one session with a Flexologist

      One on One

      A 25 or 50 minute one-on-one stretch customized to your specific needs, focusing on problem areas or targeting certain muscle groups.

      HELP YOUR FRIENDS MOVE BETTER

      Know someone who could benefit from better mobility and greater range of motion? Invite your friends and family to enjoy up to 50% off their first assisted stretch.
      Follow Castro

      about Castro

      StretchLab is revolutionizing one-on-one assisted stretching and flexibility training. In your 25 or 50 minute one-on-one session, you will work with one of our trained Flexologists who will guide you through a series of stretches custom designed for your specific needs. Perfect for anyone looking to relieve tension, decrease pain and muscle stress. Assisted stretching will help sports performance and increase range of motion for everyone!
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