Organizational Excellence Team

The OE team of professionals is dedicated to helping leaders and leadership teams create thriving, sustainable organizations.

Our consultants bring decades of experience, advanced degrees and advanced training in organizational effectiveness, change management, and executive leadership coaching & development to co-create approaches that meet the unique development needs of each of our clients. We are all lifelong learners, consistently seeking out opportunities for ongoing development in service of our clients.

Barrett McBride, PhD, MCC

  • Interim Manager, OD & Executive Coaching Chair, UCD Coaching Community of Practice Director, UCD Executive Leadership Coaching & Development Program
  • Organizational Excellence
Barrett McBride, PhD, MCC is a seasoned executive leadership coach and organizational development consultant. With more than 20 years of experience coaching and consulting, she helps senior leaders and leadership teams create compelling results through transformational change.

Randa Wilbur

  • Manager, OE Change Management Practice, Change Community of Practice, UCPath Change Management Lead
  • Organizational Excellence
Randa Wilbur has over 25 years of experience in the area of change management and organization effectiveness consulting that includes organization design, culture change, leadership/management training & development, performance management, succession planning, and talent management/employee engagement strategies.

Diane Garga, PhD, PCC

  • Senior Organizational Development Specialist
  • Organizational Excellence
Diane Garga is an accomplished Leadership-Executive Coach and Organization Development Professional with a full range of experience in corporate, higher education, small business, government and non-profit organizations in the U.S. and abroad. She has extensive experience working with corporate, academic and community leaders, small business owners and innovators who are strategizing to enhance their leadership impact, drive innovation and shape effective work cultures and high performing teams.

Dorothy Lingren, MA

  • Senior Organizational Development Specialist
  • Organizational Excellence
Dorothy Lingren has worked to develop leaders and organizations for the past 30 years through leading change projects in a variety of companies including Sutter Health, Intel Corporation, and E&J Gallo Winery. Her current focus is partnering with leaders to achieve results related to strategic planning, change management, team development, balancing competing priorities, and communication.

Tracy Preciado, MA, PCC

  • Senior Organizational Development Specialist
  • Organizational Excellence
Tracy Preciado infuses humanity into the workplace by modeling transformational leadership, grounded in her ability to recognize and inspire the unlimited potential of the people with whom she works. Currently a Senior Organization Development Specialist at UC Davis and the owner of Introspection, Tracy specializes in professional business coaching and organization development. Tracy is funny, creative, compassionate, and honest. She is particularly skilled at leveraging her personal strengths, which include curiosity, assertiveness, and insightfulness, to productively co-create new opportunities and perspectives with/for her clients.

Debbie Ramos, BA

  • Administrative Assistant III
  • Organizational Excellence
Debbie is an Administrative Assistant providing high level administrative, operational, planning, and support functions with the Organizational Excellence team. Most recently, Debbie has worked on the Change, Communication, and Training team on the UC Davis UCPath Project. In that position, she planned and coordinated logistics for large Change Network Meetings and Town Halls, scheduled UCPath trainings to groups across the university, and facilitated meetings with executive stakeholders. Debbie brings skills of workshop facilitation, curriculum development, collaboration, excellent communication skills, and enthusiasm to her position at UC Davis.

Vicky Tibbs, MBA, ACC

  • Change Management Consultant, UC Davis Health
  • Organizational Excellence
Vicky joined the Organizational Excellence team as a Change Management consultant at UC Davis Health in September 2018. She also enthusiastically partners with client in strategic planning, team building, increasing employee engagement, and other organizational effectiveness projects.