Summary
Overview
Work History
Education
Skills
Affiliations
Timeline
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Colleen Mansour, MHRLR

Summary

Innovative and results-oriented senior people leader with extensive experience in technology, high-growth, and founder-led private equity-backed companies. Proven success in transforming talent acquisition, scaling data-driven HR systems, and fostering inclusive, high-performing cultures. Proficient at aligning HR strategies with business goals to deliver measurable financial and organizational impact. Expertise guiding organizations through the M&A process, driving workforce integration, and leading management change initiatives.

Overview

13
13
years of professional experience

Work History

Vice President of Human Resources

Pinnacle MEP (Private Equity)
Detroit, MI
07.2022 - 12.2024
  • Provide leadership for the HR function across multiple operating companies, overseeing talent acquisition, culture initiatives, HRIS systems, benefits, compensation, and employee relations for over 600 employees.
  • Successfully led the implementation of a new cloud-based HRIS, payroll, and applicant tracking solution across operating companies, standardizing processes and improving reporting efficiency.
  • Improved payroll accuracy and reduced processing time by 35% by integrating the new system.
  • Centralized talent management function for the operating companies, increasing recruitment efficiency by 40% and filling critical roles 25% faster.
  • Negotiated and implemented new benefits strategies, resulting in an 11% reduction in yearly premium costs while maintaining competitive employee coverage.
  • Managed the M&A due diligence and pre/post-merger integration of five successful acquisitions, aligning talent, organizational structure, and salary and benefit alignment.

Senior Vice President of Human Resources

Real Green Systems (Serent Capital Private Equity)
Novi, MI
11.2018 - 05.2022
  • Led the People strategy for a founder-led PE-backed SaaS company with 450+ employees, overseeing talent acquisition, performance management, employee engagement, benefits, and compliance.
  • Partnered with the CEO and leadership team to design and implement a company-wide talent management strategy to support the company’s five-year growth plan, successfully recruiting and onboarding 150 new employees in 20 months to support company growth and resulting in a 20% increase in overall productivity.
  • Launched cultural transformation initiatives and recognition programs focused on promoting collaboration, innovation, and inclusion, which increased employee engagement scores by 18% and created a stronger alignment with company values.
  • Managed compensation and benefits strategies, ensuring competitive offerings while optimizing cost-effectiveness for the company.
  • Created and implemented key performance indicators (KPIs) for HR functions, including recruitment, retention, and employee development, which resulted in a 20% improvement in employee performance and goal alignment.
  • Established an Employee Net Promoter Score (eNPS) survey to monitor employee satisfaction and engagement, using results to guide organizational improvements and increase engagement by 18% over two years.

Executive Director of Human Resources

Swartz Creek Community Schools
Swartz Creek, MI
06.2014 - 10.2018
  • Managed all HR functions for a K-12 school district with 350+ employees, hiring, and onboarding new employees, overseeing labor contract negotiations, employee performance management, and compliance with state and federal regulations.
  • Led negotiations for two labor contracts, securing agreements that improved teacher retention rates while keeping district expenses aligned with budget priorities.
  • Handled complex disciplinary cases, including investigations, terminations, and mediation efforts, ensuring legal compliance and consistency across all employee groups.

Interim VP Director of Human Resources

Hurley Medical Center
Flint, MI
02.2012 - 05.2014
  • Lead human resources strategy for a 2,500-employee hospital, overseeing all HR functions, including labor relations, recruitment, employee engagement, and compliance.
  • Successfully negotiated seven union contracts, achieving savings in pension and benefit costs of $7 million through innovative solutions and restructuring plans.
  • Directed a 30-person HR team across talent acquisition, employee relations, benefits, and compliance, ensuring smooth operations and effective collaboration with hospital leadership and department heads.
  • Spearheaded improvements to the recruitment process, implementing a comprehensive hiring strategy that reduced time-to-fill for critical nursing and technical roles by 20%, contributing to improved patient care.
  • Implemented an HRIS platform that streamlined HR operations, improved employee data management, and automated reporting, resulting in a 30% reduction in administrative workload for the HR team.

Education

Master of Science - Human Resources & Labor Relations

Michigan State University
East Lansing, MI

Bachelor of Science - Employee Relations

Michigan State University
East Lansing, MI

Skills

  • Strategy & HR Transformation
  • Building & Scaling People Processes
  • Driving Growth Through People
  • Mergers & Acquisitions

Affiliations

  • Impact 100 – Board Member
  • Detroit SHRM Member
  • Michigan State University – Human Resources & Labor Relations Alumni Association
  • Michigan Association of School Personnel Association
  • United Way of Fenton – Board Member

Timeline

Vice President of Human Resources

Pinnacle MEP (Private Equity)
07.2022 - 12.2024

Senior Vice President of Human Resources

Real Green Systems (Serent Capital Private Equity)
11.2018 - 05.2022

Executive Director of Human Resources

Swartz Creek Community Schools
06.2014 - 10.2018

Interim VP Director of Human Resources

Hurley Medical Center
02.2012 - 05.2014

Master of Science - Human Resources & Labor Relations

Michigan State University

Bachelor of Science - Employee Relations

Michigan State University