Our Team

Kedren Crosby, MPS

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Mindsets and behaviors hold power. By instilling effective workplace mindsets, behaviors, communication practices and cultures, Kedren builds sustainable high-performance.   

Kedren holds a Master’s degree in Policy Science from The University of Maryland, graduate level Certificates in Nonprofit Studies from The Johns Hopkins University in Baltimore, Conflict Resolution at Notre Dame and has completed graduate coursework in Organizational Behavior at Harvard University.  Kedren is also a certified practitioner of Emotional Intelligence and serves as adjunct graduate school faculty at Elizabethtown College.  Kedren has written and presented extensively on burnout, work-life integration, authentic leadership, organizational culture, organizational conflict management and communication best practices.  

Professionally, Kedren has enjoyed serving as a CEO, CDO, Director, Associate Director, Interim Executive Director, President, Vice President, author and professor.  Her 25 years’ workplace experience in all three sectors (for-profit, non-profit, government) fuel both her empathy and her ability to see quickly into your specific scenario. 

Her practice is rooted in authenticity, appreciative inquiry, crucial confrontations, emotional intelligence, positive organizational behavior, transformative mediation, positive psychology and the platinum rule.

CONTACT KEDREN:  kedren@WorkWisdomLLC.com

Sarah Colantonio, MS

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Research has consistently proven that those who are mindful at work are more focused, happier, healthier, more productive and more emotionally intelligent. Teams that build honest, open, psychologically safe environments through conscious communication achieve higher productivity and innovation along with greater workplace wellbeing.

With a Master's of Science in Communication and a Bachelor's in Psychology, Sarah has served as a professor of communication at both Millersville University of Pennsylvania and Penn State University since 2003.   Her years in the classroom have benefited her coaching clients as she holds expertise in interpersonal communication, public speaking and group dynamics.  In addition to her expertise in high performance communication, Sarah has studied mindfulness since 2004 and participated in training and certifications with Deepak Chopra, Jack Kornfield and Tara Brach.  Sarah is a Certified Meditation Instructor (CMI) and has completed Mindfulness training through the University of California, Berkeley. 

Sarah is also a columnist for Central Penn Business Journal, an illustrator and the creator of The Inner Office and co-author of Authentic Communication.  Sarah brings the evidence-based practices of mindfulness and authentic communication into your workplace.

CONTACT SARAH: sarah@WorkWisdomLLC.com

Kate Coleman, MA, MA

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In order to truly flourish, individuals and organizations require intentional focus on holistic wellbeing and positive behavior.   

Kate has built a career out of facilitating experiences and learning opportunities for business and community leaders from around the world and maximizing individual and organizational potential.  Toward this end, she has completed coursework in Positive Psychology at Harvard University and a Master’s in Clinical Mental Health Counseling at Immaculata University with specific coursework in the biological basis of behavior.  Kate is a certified practitioner of Emotional Intelligence. She also holds a Master’s degree in International Development from Eastern University and a Bachelor’s degree in Psychology from Houghton College.   Kate’s experience spans the globe from Europe and Asia to East Africa where she spent three years coordinating graduate-level courses for NGO leaders.  She has served as research advisor in England and Washington, DC, and has worked as a Social Return on Investment Analyst, helping charities, NGOs, and social enterprises to better understand, quantify, and ultimately improve their impact.  She currently serves as an adjunct professor within Eastern Mennonite University’s Leadership and Organizational Management program.  She is certified in equine-assisted therapy, and has co-facilitated graduate leadership courses through Eastern University, utilizing equine-assisted learning techniques.

Kate is passionate about teaching evidence-based principles to reduce stress, enhance wellbeing, and optimize the performance of individuals and organizations.

CONTACT KATE: kate@workwisdomllc.com 

Matthew Sware, MBA

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Beginning a conversation about how we can be optimally helpful for your long-term success.

Matt earned a BHA in cognitive psychology and music performance from Carnegie Mellon University. He holds an MBA from the Yale School of Management with a concentration in healthcare. 

Having served as a frontline fundraiser for the last 8 years in academia, healthcare, and a grant-making think tank, Matt is propelled by nonprofit management and strategy. He has also worked in business and technology for Johnson & Johnson and graduated from the Information Technology Leadership Development Program.

Matt's personal passions include: singing baroque and renaissance music in small choirs, diving deep into conversation at a dinner party, adding to his collection of jazz and classical LPs, and bicycling through the streets of New York City. 

CONTACT MATT: matt@workwisdomllc.com

Donunshae Sanders

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Effective and strategic communication is key to leading meaningful conversations, building constructive relationships and ultimately succeeding in business.

Donunshae’s passion for communication fuels her project management, research, public relations and communication strategies. She skillfully cultivates complex relationships by understanding various perspectives and maintaining objectivity.  She holds a Bachelor’s Degree in Communication with a concentration in Public Relations from Millersville University.

CONTACT DONUNSHAE: donunshae@workwisdomllc.com

Chris Peterson, MD, MA

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The universal wisdom found in self-knowledge and mindfulness enhances wellbeing and reduces suffering in organizations and individuals.

Chris is uniquely positioned to assist clinical and administrative leaders who are experiencing stress in their changing healthcare systems.  His experiences as a physician in both academic and private sectors, and as a Zen priest have provided Chris with real world wisdom which he compassionately shares with individuals and teams who are facing changes in workplace cultures and expectations.

His passions include meditation instruction, the neuro-psychology of mindfulness, the use of koans, navigating the difficulties of midlife, mindfulness and healthcare and the life challenges of men in leadership.

CONTACT CHRIS: chris@workwisdomllc.com 

Jaime Arroyo, MBA

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As we build healthy communities, business can be harnessed for good and long-term success; solving social and environmental issues along the way.

Jaime earned his B.S in Business Administration from Millersville University and began his career with Fulton Financial Corporation where he successfully completed their rigorous Management Training Program. For over a decade, Jaime worked in various positions within banking while helping clients reach their personal and business financial goals. During this time, Jaime built his Real Estate business; investing and managing properties in Lancaster, PA. 

In 2016, he completed his M.B.A at Drexel University with a concentration in Entrepreneurship and Innovation Management.  In 2018, Jaime was elected Curator for the Global Shapers Lancaster Hub; an initiative of the World Economic Forum. Passionate about serving the community; Jaime is currently Chief Strategy Officer at Attollo.

His passion and knowledge of business and leadership well positions Jaime to facilitate The Review Club for Work Wisdom.

CONTACT JAIME: jaime@workwisdomllc.com 

Kimberlee Peifer, M.Ed., BS


Without holistic self-awareness, leaders cannot steer their team with intention and authenticity.

Kimberlee Peifer guides individuals, businesses and organizations to embrace a more reflective, thoughtful posture through exploring contemplative leadership, spiritual direction, and the Enneagram. Kimberlee’s prior positions include Director for Contemplative Prayer and Practices at Saint James Episcopal Church and the Parish Resource Center; facilitator and spiritual director at Kavanna house, and as a health and physical education teacher. Kimberlee holds a BS in Kinesiology and a Masters of Education in Health education, both from Penn State University. She is also a certified yoga instructor.

CONTACT KIMBERLEE: kimberlee@workwisdomllc.com

Mary Alice Fallon Yeskey, MA


Compelling storytelling doesn’t just inform an audience - it can uncover truths, change minds, compel action, and ignite progress. 

Mary Alice holds an MA in Publication Design from the University of Baltimore and a BA in English from the University of Maryland. Her work for organizations in both the private and non-profit sector has earned her a successful track record of strategic and brand marketing, organizational efficiency, and team building. Her passion lies in writing and design working in tandem - crafting a message with both words and images that will not only communicate a mission, but that has the power to create positive change.

Contact Mary Alice: maryalice@workwisdomllc.com

Christina Rohrer


Work-life balance means approaching work the same way you approach life: with intention, purpose, and joy. What you do doesn’t define who you are; how you do it does. 

Christina joined Work Wisdom in the summer of 2018. She provides administrative assistance to the firm’s team. She offers technical and logistical support for multiple projects, meetings, conferences, and workshops.

She enjoys practicing her natural organization and efficiency talents in her work. She also enjoys spending her time volunteering for her local church and at the elementary school her children attend. She is a regular guest on her husband’s podcast “Let ‘em Hear” and also works part time as an RN for Hospice and Community Care. 

Contact Christina: christina@workwisdomllc.com

Our Core Values

 We value depth of character.

We value compassion.

We value simplicity.

We value conviction.

We value humility.

We value originality.