Mia Garcia-McKey
Round Rock,TX
Summary
Senior Executive Assistant with 15 years of experience supporting senior leaders in large-scale, fast-paced healthcare and technology organizations. Strategic partner recognized for prioritizing complex, competing demands; optimizing executive workflows; and enabling leaders to operate effectively at scale. Brings a high bar for precision, discretion, and operational excellence while managing high-volume workloads in constantly evolving environments.
Overview
19
19
years of professional experience
Work History
Executive Assistant to the Vice President
AWS
Seattle, WA
09.2022 - Current
- Lead as a trusted strategic partner to an AWS Vice President, supporting organizational rhythm, leadership priorities, and large-scale communications for a 5,000-person global organization.
- Plan and execute leadership offsites for a group of 15 senior leaders, translating strategic objectives into structured agendas, logistics, and deliverables that strengthened alignment and decision-making.
- Own production of global leadership meetings and All-Teams sessions, coordinating executives, content, and technology to deliver consistent messaging at scale.
- Partner with leadership and subject-matter experts to design and launch a recurring Generative AI forum, increasing executive engagement and learning across a global audience.
- Cultivate strong relationships with partnering EAs to support administrative operations across AWS.
- Exercise dotted-line leadership for 23 Executive Assistants, creating standardized processes and mentorship frameworks that improved operational consistency and strategic alignment across teams.
Senior Executive Assistant
CommonSpirit - St. Luke's Health
The Woodlands, Texas
12.2012 - 09.2022
- Supported the North Texas Market President and Chief Medical Officer of a multi-facility healthcare organization.
- Prepared documents, correspondence, reports and presentations on behalf of executive leaders for both internal and external communications
- Created expense reports, budgets and filing systems for management teams
- Prioritized tasks and streamline operations allowing senior executives and staff to increase productivity
- Coordinated local and market wide hospital events ranging in attendance from 25 - 1250 participants
- Worked with senior management to initiate new processes and assist with various projects
- Collaborated with fellow executive assistants within the organization in the planning, development and execution of deliverables and initiatives
- Participated in performance improvement activities to support departmental and organizational goals
- Organized logistics and materials for meetings, arranged spaces and take detailed notes for later dissemination to key stakeholders
- Met with individuals, special interest groups and others on behalf of executives, committees and boards of directors
Office Manager
Allied Maintenance & Construction
Montgomery, TX
08.2011 - 12.2012
- Supported the president through document management, calendar organization and the creation of deliverables for meetings
- Assisted in all areas of administrative duties including data entry, file organization, research and development and marketing strategies
- Performed accounting duties to include account payables and receivables, invoicing, cash application, reconciliations and responding to customer requests for information
- Sourced vendors for project needs and negotiated contracts as needed
Project Controls Cost Specialist
KBR
Baghdad, Iraq
10.2007 - 09.2008
- Recorded project cost analysis and created complex spread sheets to show budget spending trends and additional project data
- Guided purchasing, cost control and cost data on a project with a 22 million dollar budget
- Planned and executed training events and refresher courses for employees
- Developed instructional material to educate key stakeholders on comprehending complex cost reports
- Streamlined dashboards to facilitate informed decisions on procurement of project essential items and personnel
- Reviewed and audited employee timesheets monthly to ensure accurate cost coding, and identified any errors in calculations or coding
MWR Coordinator
KBR
Baghdad, Iraq
12.2006 - 09.2007
- Managed monthly calendar events for a Moral, Welfare and Recreation Facility which served upwards of 500 service members daily
- Supported United States military personnel with preparation and coordination of meetings, briefings, and award ceremonies by setting up Audio/Visual equipment, seating and additional special requests
- Increased usage of facilities by developing creative programs to inform military personnel of call centers, computer rooms, and social activities offered across locations
- Handled service orders, receptionist duties, file organization, data entry and outgoing reports and correspondence
- Developed and executed key programs that improved relationships between client and internal departments
Education
Elementary Education
Sam Houston State University
Huntsville, TX, USASkills
- Master calendar management
- Travel coordination
- Advanced MS Office Suite
- Project Planning & Management
- Problem-Solving
Key Projects
- Coordinated a multi-day EA offsite event for 30 Executive Assistants to share best practices, learn new skills and hear from subject matter experts within our field
- Participated in the development and launch of an internal resource website for EAs within AWS
- Member of a core leadership team who administered 150,000 COVID-19 vaccines in Montgomery County, Texas.
- Implemented automated COVID-19 screening processes across 4 hospital locations, which were then adopted at the Division level.
- Organization's project manager for the building of a Habitat for Humanity Home.
Timeline
Executive Assistant to the Vice President
AWS
09.2022 - Current
Senior Executive Assistant
CommonSpirit - St. Luke's Health
12.2012 - 09.2022
Office Manager
Allied Maintenance & Construction
08.2011 - 12.2012
Project Controls Cost Specialist
KBR
10.2007 - 09.2008
MWR Coordinator
KBR
12.2006 - 09.2007
Elementary Education
Sam Houston State University