Summary
Overview
Work History
Education
Skills
Certification
SELECTED ORGANIZATIONAL IMPACT
Timeline
Generic

KATIE WINEMILLER

Dayton,OH

Summary

Organizational effectiveness and operations strategist with over a decade of experience partnering with executive leadership to diagnose complex organizational challenges and implement scalable operational and people solutions. Proven track record of redesigning organizational structures, implementing enterprise systems, and leading cross-functional initiatives that improve efficiency, engagement, and long-term organizational performance. Currently completing a Master of Science in Human Resources and Organizational Development at the University of Louisville.

Overview

2027
2027
years of professional experience
1
1
Certification

Work History

Senior Executive Assistant (Organizational Development & Operations Strategy)

Gosiger
Dayton, OH
01.2012 - Current
  • Partner with executive leadership to diagnose organizational challenges, implement operational systems, and lead cross-functional initiatives that improve efficiency, employee engagement, and organizational performance.

Organizational Effectiveness & Strategic Initiatives

  • Diagnosed inefficiencies in facilities maintenance operations and redesigned the operating model, implementing the MaintainX asset management platform, preventive maintenance workflows, and vendor coordination processes—reducing vendor costs by $100K annually.
  • Transitioned outsourced marketing operations in-house and identified internal leadership candidate to lead the initiative, eliminating $1M+ in annual vendor spend and establishing an internal marketing department that now includes six team members.
  • Restructured HR team roles to create internal mobility pathways, transitioning a recruiter into a compliance role and developing a receptionist into an entry-level recruiting position to improve retention and engagement.
  • Developed and proposed enhanced maternity and paternity leave policy using industry benchmarking and workforce analysis to strengthen employee retention and organizational culture.
  • Designed employee engagement survey and structured framework for translating feedback into organizational improvement initiatives.

Systems Implementation & Operational Infrastructure

  • Implemented MaintainX facilities management platform, building maintenance request workflows, preventive maintenance schedules, vendor tracking processes, and operational reporting dashboards while training employees across departments.
  • Led organizational adoption of the MaintainX platform by designing workflows, training employees across departments, and integrating vendor coordination processes.
  • Implemented corporate travel management system to improve policy compliance, employee adoption, and visibility into company travel expenses.
  • Redesigned corporate expense reporting process by introducing receipt tracking procedures to improve accuracy and operational efficiency.
  • Implemented volunteer management software supporting coordination of 1,000+ volunteer roles for the Western Amateur Golf Tournament.

Executive Strategy & Program Leadership

  • Support executive leadership and management committee by preparing strategic meeting materials, documenting action items, and coordinating follow-up accountability processes.
  • Assist in development of Board of Advisor presentations and strategic materials supporting quarterly leadership discussions.
  • Lead operational planning for major company initiatives including the IMTS trade show, coordinating travel logistics for 80+ employees and hosting client events for more than 300 attendees.
  • Manage vendor relationships, budgets, and operational planning for corporate events ranging from 10 to 1,000 participants across the United States.
  • Supervise front desk operations and administrative staff while supporting facilities operations and vendor coordination across multiple corporate properties.

ORGANIZATIONAL DEVELOPMENT & STRATEGY PROJECTS

  • Facilities Maintenance Operational Redesign
  • Organizational Change Leadership Training
  • Team Effectiveness & Leadership Development Program
  • Workforce Policy & Retention Strategy

Owner | Photographer

Katie Chamberlain Photography
Dayton, OH
  • Operate boutique photography business managing marketing strategy, client acquisition, pricing structure, and service delivery. Develop social media marketing strategy and digital brand presence to generate client leads and grow business visibility.

Education

Master of Science - Human Resources and Organizational Development

University of Louisville
06-2027

Bachelor of Science - Human Resource Management

Franklin University
01-2025

Bachelor of Science - Business Administration

Franklin University
01-2025

Skills

  • Organizational Analysis & Problem Diagnosis
  • Operational Strategy & Systems Implementation
  • Organizational Design & Talent Development
  • Change Management & Organizational Adoption
  • Leadership Development & Team Effectiveness
  • Cross-Functional Program Leadership
  • Executive Strategy Support & Organizational Planning
  • Vendor Strategy, Budget Optimization & Cost Reduction

Certification

Notary Public — State of Ohio

SELECTED ORGANIZATIONAL IMPACT

  • Reduced facilities maintenance costs by $100K annually by redesigning the operating model and implementing MaintainX asset management and preventive maintenance workflows.
  • Transitioned outsourced marketing operations in-house, eliminating $1M+ in annual vendor spend and identifying internal leadership candidate who now leads a six-person marketing team.
  • Restructured HR team roles to create internal career pathways, transitioning two employees into expanded roles and preventing potential turnover.

Timeline

Senior Executive Assistant (Organizational Development & Operations Strategy)

Gosiger
01.2012 - Current

Bachelor of Science - Human Resource Management

Franklin University

Bachelor of Science - Business Administration

Franklin University

Owner | Photographer

Katie Chamberlain Photography

Master of Science - Human Resources and Organizational Development

University of Louisville
KATIE WINEMILLER