Our Story

Welcome to Corner Stone Consultancy Worldwide, where we believe in building strong foundations for success. Founded by Marissa Miller, our consultancy is dedicated to empowering individuals and organizations to reach their highest potential through strategic guidance, innovative solutions, and collaborative partnerships. Marissa Miller, a visionary leader with a passion for making a difference, established Corner Stone Consultancy with the goal of creating a firm that not only provides expert consulting services but also genuinely cares about the growth and prosperity of its clients. With years of experience in business development, strategic planning, and organizational growth, Marissa recognized the need for a consultancy that emphasizes integrity, excellence, and continuous improvement.

Our Mission

At Corner Stone Consultancy Worldwide, our mission is to be the cornerstone of our clients' success. We strive to empower you by providing the tools, knowledge, and support needed to build strong foundations, navigate challenges, and achieve your aspirations. We are not just consultants; we are your partners in shaping a brighter future.

Our Values

  • Integrity

    We uphold the highest standards of integrity in all our actions.

  • Excellence

    We strive for excellence in everything we do, continuously improving our services and solutions.

  • Continuous Improvement

    We are committed to ongoing learning and adaptation to stay ahead in a rapidly evolving world.

Our Consultants

At Corner Stone Consultancy Worldwide, our team of expert consultants is dedicated to guiding you toward success. With diverse backgrounds in business development, strategic planning, philanthropy, executive coaching, and non-profit strategies, our consultants bring a wealth of knowledge and experience to every client engagement. We are committed to providing personalized, innovative solutions to help you achieve your highest aspirations. Meet our team and discover how we can support your journey to excellence.

Marissa Miller

Founder and Business Development Specialist

Marissa Miller, the visionary founder of Corner Stone Consultancy Worldwide, is a seasoned Business Development Specialist with expertise in production infrastructure development, fundraising, strategic planning, and business growth. With a PHE and SME designation, Marissa has a proven track record of helping organizations build robust foundations for success. Her strategic insights and innovative solutions have empowered numerous clients to navigate challenges and achieve their highest aspirations. Passionate about integrity and excellence, Marissa is dedicated to shaping a brighter future for all.

Brandon Harrison

Organizational Strategy and Development Specialist

Brandon Harrison is a distinguished Organizational Strategy and Development Specialist with a PHE and SME designation. He specializes in business development, strategic planning, and fostering organizational growth. Brandon's strategic acumen and comprehensive approach have consistently driven success for his clients, enabling them to achieve their goals and expand their impact. With a focus on innovation and excellence, Brandon is dedicated to crafting tailored solutions that propel organizations forward in a rapidly evolving landscape.

Gwen Jones Robinson

Program Management and Public Health Policy Specialist

Gwen Jones Robinson is a highly skilled Program Management and Public Health Policy Specialist with a Master of Social Work (MSW) and Licensed Social Worker (LSW) credentials. She excels in program management, HIV and mental health education, and curriculum development. Gwen's expertise lies in designing and implementing effective programs that address public health challenges, particularly in the areas of HIV and mental health. Her dedication to education and policy development ensures impactful and sustainable solutions for communities in need.