Marianne Plummer

Facilitator

Marianne Plummer is an EMCC Global accredited coach and a highly experienced organisational culture and change consultant.

With more than 25 years working across sectors and geographies — including global consulting roles at Andersen, KPMG, and Deloitte — Marianne brings a distinct combination of intellectual clarity, grounded presence, and human depth to her work.

She specialises in culture transformation, leadership and team effectiveness, change enablement, coaching, and high-impact facilitation.

Clients experience her as warm yet unwavering, compassionate yet challenging, and deeply committed to helping people think for themselves and lead with integrity. She creates environments where clarity emerges, courage grows, and people reconnect with the intelligence and capability they already possess.

Her work is shaped by her lived experience: resilience, personal accountability, boundaries, and the belief that human beings are capable of extraordinary growth when given the right kind of space to think and decide.