Rachel Mannhalter
Leadership Coach and Consultant
With over 15 years of experience in strategic HR, leadership development, and organizational effectiveness, Rachel partners with organizations to build courageous, ethical, and high-impact leaders. She brings deep cross-sector experience spanning nonprofit, finance, healthcare, and engineering, where she has designed and led leadership academies, performance management systems, HRIS implementations, employee engagement initiatives, and culture transformation efforts.
Rachel is an Associate Certified Coach (ACC) through the International Coaching Federation and integrates evidence-based coaching practices into her consulting work. Whether coaching senior leaders, facilitating executive team alignment, or designing scalable development systems, she combines emotional intelligence, organizational strategy, and practical execution to drive measurable impact.
She is particularly passionate about addressing two of the most persistent challenges in organizational health: proactively developing leaders at every level and intentionally designing cultures that foster accountability, belonging, and growth. Her work blends systems thinking with human-centered leadership, ensuring that strategy, structure, and culture reinforce one another.
Central to Rachel’s work is her personal mission of helping others tap into their full potential. She strategically identifies and develops key strengths, mindsets, and leadership behaviors that allow individuals and teams to thrive in complexity and lead with clarity and integrity.
Rachel holds a BS in Human Resources and a Master of Science in Administration with a concentration in Organizational Leadership. She is certified in the EQ-i 2.0® and Intercultural Development Inventory (IDI®) and holds Professional in Human Resources® (PHR®) and SHRM-CP® certifications. She is a graduate of the Berkeley Executive Coaching Institute and an Associate Certified Coach (ACC) through the International Coaching Federation.
Focus Areas: Leadership Development, Executive Coaching, Emotional Intelligence, Intercultural Competence Development, Culture Initiatives, Team Development
PARTNERING CONSULTANTS
At Mannhalter Consulting we understand the importance of collaboration and the value that it brings. For this reason, we work closely with other consultants and coaches who bring their own unique knowledge, experience, and strengths.
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Jesse Herrera is the Organizational Development Specialist for Black Hills Energy, based in Rapid City, South Dakota. He is also the co-founder of the Alchemy Leadership Collective, an organization that focuses on leadership development through workshop facilitation, one-on-one coaching, and Human Resources consulting. Jesse is passionate about creating spaces for conversations centered around inclusion and belonging.
Jesse holds a BA in Biology with a minor in Physics from Colorado College, and a Master of Education (M.Ed.) in Counseling and Human Resource Development with an emphasis in Student Affairs Administration from South Dakota State University. He also holds a certificate from the University of Minnesota in Organizational Development. Much of Jesse’s work is informed by his service in South Africa as a Peace Corps Volunteer. He is certified in administering the EQ-i2.0 assessment for measuring emotional intelligence and is a Qualified Administrator for the Intercultural Development Inventory (IDI), which measures intercultural competence.
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Alycia is a quote-loving consultant with over a decade of education and experience in emotional intelligence and personal and professional development training. A mom of five (and wife of Nick) she stays busy homeschooling, attempting to read books, going off-roading, and wrangling her four dogs.
Alycia is certified in both the EQ-i2.0 and IDI assessments and uses them with college students as well as community and business leaders. She is passionate about using assessment tools, conversational coaching, and other resources to help people pursue their passions and reach their personal and professional goals.
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