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Our Team

Cassandra Govan, CEO & Founder

Cassandra Govan is the CEO & Founder of DEMA Health Ltd Co. She is an accredited behavior science practitioner, certified sports nutritionist and weight management specialist from the National Academy of Sports Nutrition, and previously a NOCA certified personal trainer.

With expertise in relationships, mental health, physical health, and wellness, Cassandra brings a holistic approach to fostering personal and professional growth. 

Her work blends science-backed strategies with practical applications, helping clients identify their innate strengths, overcome barriers, and build thriving relationships. 

Cassandra’s mission is to transform lives by addressing the interconnectedness of mental, emotional, physical, and whole-life well-being through behavioral insights, interactive programs, coaching, training, and consulting that strengthen relationships, improve decision-making, and drive personal and professional success.

Christine Street, Fractional CMO

Christine Street is the Fractional Chief Marketing Officer (CMO) for DEMA Health Ltd Co, bringing extensive expertise in marketing strategy and brand development. 

With a proven track record of driving growth and building impactful campaigns, Christine ensures DEMA Health’s mission and innovative solutions reach the right audiences. Her ability to combine creative storytelling with data-driven insights helps amplify DEMA Health’s focus on behavioral wellness and mental health. 

Christine’s leadership and marketing acumen play a pivotal role in positioning DEMA Health as a trailblazer in the wellness and behavioral science industries.

Qiyamah Waheed – MBA, Business Development Director

Qiyamah Waheed serves as the Business Development Director at DEMA Health Ltd Co, bringing her expertise in identifying reputable products and solutions to enhance client experiences. 

She works closely with individuals, businesses, and government agencies to source tools and resources that optimize outcomes in our behavior-focused challenges, improving wellness and health.

As a passionate advocate for empowering others to take control of their health, Qiyamah integrates her dedication to holistic well-being into her work. 

Her mission is to ensure every client has access to the resources they need to achieve lasting transformation and thrive in all areas of life.

Heather Hewett, ND, CHD, CCP

Heather Hewett is a key collaborator and strategic partner. She is a Board-Certified Traditional Naturopath, Clinical Nutritionist, and Alternative Medical Practitioner specializing in holistic wellness and preventive care. 

With a focus on addressing the root causes of health challenges, Heather integrates natural remedies and behavior and lifestyle strategies to promote balance and vitality.  

Heather aligns her expertise with the company’s mission to empower individuals through behavior-driven insights. 

Her approach complements DEMA’s focus on mental, physical, and emotional well-being, offering clients a comprehensive path to sustainable health and whole-life transformation.

Jezel Rosa, PMHNP, MSN, BSN

Jezel Rosa is a consulting Board-Certified and Licensed Psychiatric Nurse Practitioner in the state of FL and NM. For DEMA Health, she offers mental health coaching, mental health labs, and DNA testing. Her personalized 1:1 coaching focuses on: 

  • Functional Medicine/Personalized Nutrition: Emphasizes personalized nutrition based on individual needs, often informed by lab results like food sensitivities or nutrient deficiencies. This can be highly effective for optimizing mental health.
  • Mental Health Functional Labs: Offering insights into your body's unique needs and how they relate to your mental wellness.
  • Medication Guidance: Helping you navigate your options and understand your treatment.
  • De-prescribing Guidance: Supporting those looking to reduce or come off medications in a safe, informed way.

Her coaching emphasizes a "skills before pills" philosophy. While medication has its place, she believes in equipping you with the skills and tools necessary to manage your mental health naturally whenever possible. This approach empowers you to take control of your wellness journey and make informed decisions.

If you're feeling stuck, especially when it comes to navigating mental health treatments, and medication, or considering alternatives to medication, Jezel is a great point of reference for you.

Calvin Young, MIS

Calvin Young is a strategic partner of DEMA Health Ltd Co, specializing in government contracting (GovCon) technology requirements, program development, and veteran and civilian focused initiatives. 

With a career spanning over 20 years, Calvin brings a wealth of experience in leadership, technology, and advocacy. He works with DEMA Health Ltd Co on creating innovative programs tailored for government and business sectors, helping the company meet technical standards and supporting varied communities with specialized training.

A passionate mental health advocate and seasoned executive, Calvin combines his expertise in tech and program design to help DEMA Health Ltd Co deliver impactful solutions for both private and public sector clients.

NursesBond Inc

NursesBond Inc. is a strategic partner of DEMA Health Ltd Co specializing in distributing continuing education units (CEUs) for nurses and healthcare professionals. 

Through this partnership, NursesBond supports the accreditation of DEMA Health’s behavior, health, and wellness educational courses, empowering professionals to enhance their skills and improve patient care. 

With Cassandra Govan, CEO of DEMA Health Ltd Co, serving on its board, NursesBond shares a commitment to advancing holistic education and promoting excellence in the healthcare field.