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mark hordesMH
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mark hordes

@markhordes

Change management and organizational transformation consultant guiding enterprise adoption and culture change.

United States
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What I'm looking for

I’m looking for remote, part-time, or project-based change and transformation engagements where I can lead full-lifecycle readiness, training, adoption, and sustainability—helping organizations realign culture, stakeholders, and operating models for measurable outcomes.

I’m a former Accenture Associate Partner and senior change management consultant with 30+ years guiding global organizations through enterprise transformation, ERP and digital adoption, organizational redesign, and culture change. I’ve earned trust as a pragmatic advisor to Fortune 500 and multinational clients across energy, chemicals, financial services, technology, healthcare, and professional services.

I lead full-lifecycle change programs—from readiness and impact assessment through training, adoption, and sustainability—at scale across 100+ countries. My work centers on stakeholder alignment, communications cadence, measurable adoption monitoring, and behavior change that sticks in the real world.

Recently, I’ve delivered project-based change management and organizational development engagements on 6- to 24-month timelines, working remotely and on-site worldwide. Previously, I led major organizational effectiveness and training efforts, supported ERP and HR systems integration and power-user enablement, and designed transformation programs that improved performance, capability, and organizational alignment.

Experience

Work history, roles, and key accomplishments

IN
Current

Independent Change Management Consultant

Independent

Jan 2008 - Present (18 years 7 months)

Delivered project-based change management, organizational development, and training solutions for Fortune 500 and multinational clients. Led full-lifecycle change programs from readiness and impact assessment through stakeholder alignment, end-user training, adoption monitoring, and sustainability.

TG

Change Management Consultant

The Sinclair Group

Jan 2004 - Jan 2008 (4 years)

Sourced, proposed, and delivered an organizational effectiveness and training program for SADARA and integrated 42 global teams on-site in Saudi Arabia, helping deliver “First Product” six months ahead of schedule. Designed and delivered change, talent management, and organizational excellence solutions for energy and chemicals clients.

AC

Change Management Consultant

Alexander Consulting

Jan 1999 - Jan 2004 (5 years)

Advised professional services, healthcare, government, non-profit, and product clients and led transitions from break-fix to total-solution models. Trained sales professionals on solution selling, increasing client new-business lead generation and sales by 35%.

Accenture logoAC

Associate Partner, Change Management

Jan 1990 - Jan 1999 (9 years)

Designed transformation and transition programs for multinational clients across multiple industries and served on the Central Region Change Management and Human Capital delivery team. Led strategic change and training for global HR systems integration, e-commerce, and SAP R/3/ERP programs for multiple clients and directed corporate transformation and reengineering engagements across Design, Build

Education

Degrees, certifications, and relevant coursework

Aurora University logoAU

Aurora University

Master of Business Administration, Organizational Behavior

Earned an MBA with a focus in Organizational Behavior.

Aurora University logoAU

Aurora University

Master of Social Work, Human Development

Earned an MSW with a focus in Human Development.

University of Houston logoUH

University of Houston

Bachelor of Science, Political Science

Earned a BS in Political Science.

Tech stack

Software and tools used professionally

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