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Review your readiness profile
See a plain language summary of strengths, risks, and areas that may require attention
Our story
In 2007, Cyndi was hired by the City and County of Denver to support a massive transformation from paper and post-its to a new timekeeping system and supporting processes, along with centralizing payroll services. She came in as a seasoned HR professional and the enormity of the change, along with the fact that it would impact every employee from the Mayor's Office to Parks and Recreation, to Public Works, to Finance, was overwhelming to say the least. She wished she'd had a change management training and mentor to help her think through how to support a City and people she wanted to serve through this impactful change.
That experience planted the seed for The Delta Principle. Cyndi saw firsthand that even experienced HR professionals and leaders can feel overwhelmed when they are asked to lead significant change without the right tools, guidance, or support. She founded TDP so organizations, leaders and HR would not have to figure it out alone.
Today, TDP provides the practical expertise, thoughtful partnership, and human-centered guidance Cyndi wished she'd had during that transformation. We help clients make sense of complex change, prepare their people, and move forward with greater clarity and confidence because successful change is not only about implementing something new. It is about helping people understand it, navigate it, and ultimately make it work.
How we show up
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Holistic change expertise
We're more than just templates. We provide support for organizational change journeys, recognizing that effective change management involves leadership growth and individual resilience.
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Sustainable impact
Change isn't a one-and-done effort. We focus on long-term success by equipping clients with tools and mindsets that help change remain lasting, measurable, and adaptable to future challenges.
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Hands-on, practical gudiance
We offer real-world, actionable solutions that are immediately applicable rather than just theoretical frameworks, setting us apart as a practical, results-oriented project partner.
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Collaborative partnership
We meet you where you are. Our role is to be a trusted partner who works closely with you to co-create personalized solutions tailored to your unique needs.
Meet our founder, Cyndi Manuel
Cyndi Manuel is a change management leader with nearly 20 years of experience helping organizations turn complex change into meaningful, sustainable progress. Through TDP, she supports HR leaders in building the confidence, strategy, and capabilities needed to lead change, from organizational transformation and process improvement to new technologies and AI adoption. Known for her approachable, practical style, Cyndi meets clients where they are and tailors her support to their culture, priorities, and goals.
Cyndi also partners with consulting firms seeking to expand their offerings by integrating experienced change management services into their client engagements. Whether coaching HR leaders, supporting a complex initiative, or serving as a trusted change management partner to another consultancy, she brings the structure, empathy, and practical guidance needed to engage people, reduce disruption, and accelerate adoption. Her goal is to make change less stressful and more achievable while creating lasting outcomes that fuel innovation, growth, and long-term success.
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Provides volunteer advocacy and support for at-risk children and youth, helping ensure their needs are heard and supported. Their work helps empower families, strengthen stability, and create opportunities for children to thrive in safe, permanent homes.
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A nonprofit, no-kill animal rescue focused on helping puppies and dogs in need. They place rescued animals in foster homes until they can be adopted into safe, loving homes forever.
The Heart of Change
At The Delta Principle, we believe that change is not only about driving success in business, but also about making a meaningful difference in the world around us. The Heart of Change is our commitment to giving back to the communities and causes that matter most. We proudly support non-profit organizations that are dedicated to creating positive change for people, children, and animals by supporting the following causes that align with our core values of compassion, care, and meaningful transformation.
We believe that true change starts with the heart, and together, we can make a difference. Please consider joining us in making an impact by donating or volunteering for these organizations, or an organization that is near and dear to your heart.
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Works to improve the health of children through high-quality patient care, education, research, and advocacy. Their family-centered approach supports not only children’s medical needs but also the emotional and social needs of patients and families.
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Advances cures and prevention for pediatric catastrophic diseases through research and treatment. Their work supports children facing serious illness while also contributing discoveries that help improve care for children around the world.