Summary
Overview
Work History
Education
Skills
Websites
ADDITIONAL EXPERIENCE
LEADERSHIP & SERVICE
Timeline
Generic

KRISTIANNE BARKER

New York,NY

Summary

Meticulous and results-oriented Senior Executive Assistant with over 15 years of experience managing complex operations for C-level executives and Boards of Trustees in high-demand, corporate, and healthcare environments. Proven ability to streamline executive operations, manage intricate calendars, and coordinate high-profile international and domestic events. Expert at implementing organizational policies, leading administrative teams, and negotiating profitable vendor contracts, including successfully closing a $1.9M health system contract. Adept at cross-functional collaboration, financial reporting, documentation, and nurturing high-performing administrative teams.


Overview

13
13
years of professional experience

Work History

Executive Assistant – Office of the CEO

Menarini Stemline
01.2023 - Current
  • Manage complex 5+ chief executive calendars, strategically scheduling meetings and coordinating extensive domestic and international travel arrangements to optimize executive time.
  • Spearhead the coordination and seamless execution of monthly board of directors, functional leadership meetings and corporate events, overseeing all logistics, agenda development, venue selection, and vendor relations.
  • Create, prepare, and edit impactful presentations on behalf of executives for both internal meetings and external conferences.
  • Maintain strict confidentiality and secure access for all highly sensitive and critical information, while providing consistent cross-coverage for the Operations team and Office Manager.
  • Develop, manage, and maintain team collaboration sites and files, and efficiently oversee group/company access to essential information repositories, databases, and software subscriptions.
  • Supported HR activities, facilitating hiring process by scheduling interviews and liaising with candidates.

Administrative Manager – Cullman Institute for Patient Experience

The Mount Sinai Hospital
01.2021 - 01.2023
  • Negotiated and closed a $1.9 million health system vendor contract, ensuring strict adherence to all contractual terms and specifications.
  • Managed the Ambassador Volunteer Program, successfully hiring, training, and mentoring a team of 80 volunteers to enhance patient services.
  • Collaborated with VP of Service Excellence and Director of Service Excellence to conduct effective staff training and improve overall service quality.
  • Streamlined information flow across multiple departments and regularly attended board meetings to facilitate communication and maintain strong organizational relations.
  • Coordinated the execution of all hospital and health system employee recognition programs and events.

Program Manager – Nursing Operations

The Mount Sinai Hospital
01.2019 - 01.2021
  • Built and developed a competent administrative team by recruiting, training, supervising, and evaluating the performance of all administrative assistants for the senior nursing leadership.
  • Successfully coordinated all aspects of logistics for multiple national nursing recognition events (e.g., Nurses Week, Physician of the Year Awards), including securing venues, catering, A/V equipment, and managing invitations/flyers.
  • Provided vital support to daily business operations, including facilitating business plan implementation and managing supply inventory.
  • Managed all donations to nursing staff during the COVID-19 pandemic in collaboration with major corporations.
  • Oversaw comprehensive calendar management for the Senior Vice President of Nursing Operations and Senior Director of Nursing, while providing back-up coverage for the Chief Nursing Officer and Senior Vice President.

Executive Assistant – Hospital Administration

The Mount Sinai Hospital
01.2016 - 01.2019
  • Provided direct administrative and operational support, including cross-coverage, for Executive Vice Presidents and C-suite leadership.
  • Managed Human Resources files for over 20 senior leaders, ensuring the timely update and compliance of all medical licenses, certifications, and mandatory regulatory documents.
  • Reviewed the organizational structure in collaboration with the Chief Nursing Officer and Senior Vice President, which facilitated the creation of 10+ new administrative assistant FTE positions for senior leadership.
  • Processed travel expenses and reimbursements for executive team and senior management group.

Administrative Assistant – Ruttenberg Treatment Center

The Mount Sinai Hospital
01.2013 - 01.2016
  • Led and successfully completed complex office renovation and construction projects, converting office space into a functional laboratory and overseeing the installation of a digital podium/welcome desk.
  • Collaborated with the engineering team and negotiated with external contractors to ensure all construction and renovation projects were delivered on schedule and within budget.
  • Managed and reconciled comprehensive departmental financial records, including drafting budget reports, controlling inventory, and processing all vendor payments and staff reimbursements with high accuracy.

Education

Course - Health Services Administration

Lehman College of The City University of New York
The Bronx, NY
05-2027

Skills

  • Executive & Board Support: Calendar & Travel Management, International Logistics, Confidential Documentation, C-Suite Cross-Coverage
  • Project & Operations Management: Event Planning & Implementation, Vendor/Contractor Relations, Budget & Expense Reporting, Inventory & Facilities Control
  • Team & Talent Development: Staff Recruitment & Onboarding, Performance Evaluation, Administrative Team Leadership, Training & Mentorship
  • Communication & Systems: Cross-Functional Communication, Policy Implementation, Database Management, MS Office Suite

ADDITIONAL EXPERIENCE

  • Catering Sales Manager, Catering Coordinator, Assistant Guest Experience Manager, Reservations/Front Desk Agent
  • Hudson Hotel – Morgan Hotel Group

LEADERSHIP & SERVICE

  • New York State Nurses Association (NYSNA) – Labor Action Strike
  • Activated and deployed Volunteer Strike Pool, served as Unit Support Ambassador, and streamlined communication between units and the command center to ensure safe and quality service delivery.

Timeline

Executive Assistant – Office of the CEO

Menarini Stemline
01.2023 - Current

Administrative Manager – Cullman Institute for Patient Experience

The Mount Sinai Hospital
01.2021 - 01.2023

Program Manager – Nursing Operations

The Mount Sinai Hospital
01.2019 - 01.2021

Executive Assistant – Hospital Administration

The Mount Sinai Hospital
01.2016 - 01.2019

Administrative Assistant – Ruttenberg Treatment Center

The Mount Sinai Hospital
01.2013 - 01.2016

Course - Health Services Administration

Lehman College of The City University of New York