Dr. Sherylle Calder, renowned as “The Eye Lady,” is a distinguished sport scientist and performance coach with over 30 years of experience in visual-motor performance. Her pioneering work in visual performance skills training has revolutionized the way athletes and professionals enhance their performance across various domains. As the founder and CEO of EyeGym, an innovative online visual intelligence training program, Dr. Calder has empowered individuals to see faster, decide smarter, and act quicker.

Dr. Calder’s journey began as an international field hockey player for South Africa, where she earned 50 international caps. Her on-field experiences led her to recognize the critical role of visual skills in athletic performance, prompting her to delve into the science of visual-motor coordination. This passion culminated in a PhD in Visual Performance Skills Training, laying the foundation for her groundbreaking work. ​

Over the years, Dr. Calder has collaborated with elite sports teams globally, contributing to three World Cup victories in rugby and cricket. Her clientele includes the South African Springboks, the All Blacks, England Rugby, the Miami Dolphins, Formula 1 driver Valtteri Bottas, and golfer Ernie Els. Beyond sports, her expertise extends to corporate environments, where she enhances decision-making and performance through visual intelligence training.​

Central to Dr. Calder’s methodology is the EyeGym program, designed to improve visual awareness, eye-tracking, decision-making, and reaction times. This program has been instrumental in refining athletes’ abilities to process visual information swiftly and accurately, leading to enhanced on-field performance. Her work underscores the trainability of visual skills, debunking the myth that such abilities are innate and unchangeable.​

Event planners seeking a speaker who combines scientific expertise with practical applications will find Dr. Calder to be an exceptional choice. Her extensive experience with top-tier athletes and corporate leaders allows her to offer unique insights into the significance of visual skills in achieving peak

Dr. Calder’s presentations are not only informative but also transformative. Attendees gain a deeper understanding of how visual skills impact daily tasks and high-pressure situations alike. Through engaging anecdotes and evidence-based strategies, she demonstrates how training the eyes and brain can lead to better decision-making, improved concentration, and heightened situational awareness.

Moreover, her approachable demeanor and ability to tailor content to diverse audiences ensure that participants leave with actionable insights applicable to both personal and professional contexts. Whether addressing athletes aiming for excellence or professionals seeking a competitive edge, Dr. Calder’s expertise resonates universally.​

Summary

Dr. Sherylle Calder stands at the forefront of visual performance training, bridging the gap between science and practical application. Her pioneering work with EyeGym has transformed the way individuals approach visual skills, emphasizing their trainability and profound impact on performance. As a speaker, she offers unparalleled expertise, engaging delivery, and actionable strategies, making her an invaluable asset to any event focused on excellence and peak performance.

Hashtags: #VisualIntelligence #PerformanceCoach #EyeGym #SherylleCalder #VisualSkills #PeakPerformance #SportsScience

Contact us at Speakers Inc and view our International site

Sherylle Calder

Briony Liber is a South African executive and career coach with an inspirational and deeply human-centered message: individuals can become their own most important project. With a base in Houghton, Gauteng, she delivers powerful insights and practical frameworks that enable mid- and senior-level STEM professionals to cultivate authentic self‑leadership and career prominence. Her core message centers on empowering clients to reclaim their vision, grow beyond burnout, and harness the power of consciousness, courage, and creativity for purposeful impact.

With over two decades of experience in mining and natural resource sectors and more than 5,000 hours of coaching under her belt, Briony embodies both technical expertise and empathetic leadership. Her coaching philosophy, the “6 C’s”: Consciousness, Curiosity, Compassion, Creativity, Courage, and Connection which guides professionals toward building careers that reflect their values, purpose, and strengths. Whether on stage, in workshops, or through media platforms, her voice resonates with transformation, clarity, and bold authenticity.

Briony is the founder and Director of The Briony Liber Coaching Group (Pty) Ltd, a 100% female‑owned coaching firm established in 2017 in Johannesburg. Before transitioning into coaching, she held a leadership role in mining consultancy, partnering in an international resource firm and directing teams of scientists, a two‑decade trajectory that shaped her deep insight into STEM career dynamics.

As a certified Master Coach Practitioner through COMENSA, Briony Liber has coached more than 5,000 hours and supports individuals, teams, and organizations across Africa and Europe. Her specialized focus includes executive coaching, group mentoring, and career growth within technical industries such as mining, engineering, and construction. She supports professionals facing pivotal transitions: shifting from technical mastery into strategic leadership, overcoming burnout, and gaining clarity on visibility and confidence.

Briony Liber stands out as a speaker who brings strategic insight, empathy, and transformational coaching experience to every engagement. With a roots in mining and science leadership, extensive coaching hours, and a clear, values‑driven framework, she equips professionals to transform their visibility, confidence, and career trajectories.

Her voice is compelling not just because she speaks well, but because she embodies the journey she advocates leading herself with consciousness, curiosity, compassion, creativity, courage, and connection. Whether through spoken engagements, workshops, podcast interviews, or retreats, Briony empowers people to step into their own professional eminence project and lead with intention, clarity, and impact.

Contact us at Speakers Inc and subscribe to our YouTube channel