Shannon Tierney
St. Petersburg,FL
Summary
Senior administrative professional with over 5 years of executive-level management experience, offering proven expertise in strategic planning, business operations, and client relationship management. Recognized for strong intuition and proactive support, effectively serving as a reliable proxy for senior leadership and ensuring seamless execution of organizational goals.
Overview
11
11
years of professional experience
Work History
Partner Executive Assistant
McKinsey & Company
St. Petersburg, FL
09.2020 - 03.2026
- Effectively manages multiple client projects simultaneously with ability to be flexible when needed. Acutely aware of deadlines and has clear sense of priorities. Manages fast-paced workload with ease and accustomed to same-day deliverables for high-priority projects. Often aligns client and internal calls across multiple international time zones.
- Manages calendar and proactively solves scheduling conflicts for two C-suite level partners (procurement and travel industry). Learned preferences, time boundaries, working styles, and patterns of partners and applies this knowledge daily.
- Proficient knowledge of SalesForce, Zoom and Microsoft Office suite including Outlook, Word, Excel, Powerpoint, and Teams.
- Tracks and completes expense reports on a weekly basis. Collaborates with partners on engagement budgets.
- Drafts, proofreads, and edits internal and external documents on behalf of partners
- Event planner for corporate events ranging from 30-150+ attendees including vendor negotiations, establishing and maintaining timeline, site management.
- Collaborates with finance department to track the progression of multi-million dollar engagements.
- Completes timesheets and expenses weekly using MyTime and Rydoo expense software.
- Navigates booking domestic/international travel with ease using Concur and Amex Global Business Travel for multiple flights per week per partner.
- Maintains library of client contacts and adheres to confidentiality ethics.
- Promotes and consistently role models a collaborative working environment across department and office. Acknowledges strengths of other assistants and champions their success. Proactive mentor and coach of peers.
- Resourceful and proactive in prioritizing, screening, and responding to internal and client correspondence independent of partner. Trusted to make decisions on behalf of partner and viewed as proxy even under ambiguous circumstances.
- Maintains client utilization and outreach tracker for strategic planning through the year.
Manager
The Dalí Museum
St. Petersburg, FL
03.2018 - 06.2020
- Managed team of associates including interviewing and hiring, computed daily/weekly/monthly sales goals, handled individual client needs with positive professionalism, analyzed event staffing needs, maneuvered through tenuous client situations with poise and professionalism.
- Grant writer on a volunteer basis in collaboration with the Education and Development departments. Learned fundraising knowledge under tutelage of the Director of Development.
- Involved with merchandise design and coordinated vendor negotiations, wrote copy for product showcases and events for thedalimuseum.org.
- Represented The Dalí Museum at the Museum Store Association summit in Grand Cayman.
- Aid to the Events department during fundraising events.
- Coordinated with artists and vendors for event planning and logistics.
- Led team initiatives to enhance visitor engagement and satisfaction.
- Trained staff on customer service standards and operational procedures.
- Managed daily operations to ensure smooth function of museum services.
- Analyzed visitor feedback to improve overall museum experiences.
- Oversaw budgeting processes for departmental projects and events.
Senior Advisor
Lancôme Paris at Nordstrom International Plaza
Tampa, FL
09.2015 - 04.2018
- Proven record of exceeding sales goals by cultivating a well-developed book of 50+ clients.
- Managed off-site events to promote brand loyalty and gain clients.
- Provided luxury styling experiences for every client with entrepreneurial spirit, high energy, and attention to detail. Delivered outstanding customer service tailored for specialty store clients. Advanced skills in client building including follow-up and wellness calls/emails/cards.
- Orchestrated grand scale events generating over $20,000 to gain clients and brand loyalty.
Education
Bachelor of Arts - English Literature
University of South Florida
Tampa, FL05.2012
Associate of Arts - Business Administration
Hillsborough Community College
Tampa, FL05.2009
High School Diploma - Music Performance
Howard W. Blake High School for The Performing Arts
Tampa, FL05.2006
Skills
- Database Management
- Client relationship management
- Calendar Management Proficiency
- Strong Organizational Abilities
- Event planning
- Adaptability
- Proactive problem solving
- Knowledgeable in SalesForce
Affiliations
- Allendale UMC, church council member, 10/2025
- GirlsRock, non-profit music camp volunteer, 7/2025
- League of Women Voters St. Petersburg, co-chair, 06/2025
- Big Brothers Big Sisters, mentor, 02/2022
- Chanel Beauty, Freelance artist, 03/2022
- St. Petersburg Council of Neighborhood Associations, program graduate, 5/2020
Timeline
Partner Executive Assistant
McKinsey & Company
09.2020 - 03.2026
Manager
The Dalí Museum
03.2018 - 06.2020
Senior Advisor
Lancôme Paris at Nordstrom International Plaza
09.2015 - 04.2018
Bachelor of Arts - English Literature
University of South Florida
Associate of Arts - Business Administration
Hillsborough Community College
High School Diploma - Music Performance
Howard W. Blake High School for The Performing Arts