Marlene Constantine
McKinney
Summary
Executive assistant with over 20 years of experience in retail, finance, and healthcare sectors. Expertise in managing complex calendars, coordinating communication, and streamlining administrative operations to enhance efficiency. Proven track record in supporting executives, leading special projects, and delivering accurate analysis and insights. Maintains high integrity and discretion while handling confidential information and prioritizing tasks effectively.
Overview
2026
2026
years of professional experience
Work History
Executive Assistant to the Chairman and CEO
Osteal Therapeutics, Inc
01.2024 - 10.2025
- Coordinated executive schedules, ensuring efficient use of time and streamlined meeting preparation.
- Maintained confidentiality with sensitive documents, ensuring proper storage and distribution as needed.
- Processed travel expenses and reimbursements for executive team.
- Organized and coordinated conferences and monthly meetings.
- Managed office inventory, tracking supplies and placing orders to ensure smooth daily operations.
- Coordinated events for staff members, promoting team-building activities and boosting morale within the workplace.
- Facilitated onboarding of new employees, ensuring smooth transition into company culture and workflow.
- Managed mail and both incoming and outgoing correspondence.
- Handled logistics, catering, agendas and travel arrangements for meeting and event planning for board of directors, president and executive vice president.
Senior Administrative Assistant to SVP
Trinity Industries
05.2023 - 01.2024
- Coordinated executive schedules and prioritized appointments for optimal time management.
- Managed travel arrangements, optimizing logistics to improve travel experience for executives.
- Oversaw office supplies inventory.
- Managed sensitive information with utmost discretion to maintain confidentiality at all times.
- Contributed to a positive work environment by fostering strong working relationships with colleagues across departments.
- Coordinated office activities and public events.
- Assisted with on boarding of new hires.
SENIOR EXECUTIVE ASSISTANT TO CFO
Kofile
08.2022 - 02.2023
- Assist Legal Counsel with contract data collection.
- Manage a complex and ever-changing schedule, proactively resolve conflicts before and as they arise, and ensure meetings are set in an efficient manner.
- Act as a true gatekeeper and escalate relevant information to the Executive team as needed.
- Provide administration support for the Human Resource department
EXECUTIVE ASSISTANT TO THE PRINCIPAL
Ryan
09.2021 - 08.2022
- Manages Executive’s schedule, arranges appointments, travel, meetings, conference calls, etc. Extensive coordination and follow-up to ensure all meetings are calendared properly and effectively – utilizing best use of Executive's time.
- Organizes and prioritizes multiple tasks and completes them under strict time constraints
- Manages daily correspondence and filing
- Handles and safeguards confidential and sensitive company and personal information
- Identifies and work to improve internal process and to develop firm policies as needed
- Reviews and edits client-related documentation
- Remains knowledgeable of all company policies
- Assists with projects as needed and performs other duties as assigned
- Coordinate travel arrangements
- Process and submit expense reports and purchase orders
- Prepared documents, reports and presentations for executives and board members using advanced software proficiencies
- Organized and coordinated conferences and monthly meetings
EXECUTIVE ASSISTANT TO CEO
Affinitiv
08.2020 - 08.2021
- Coordinate all Executive Team meetings and retreats and assist with staff meetings and events as needed.
- Provide calendar management for CEO. Prioritize inquiries and requests while troubleshooting conflicts; making judgement and recommendations to ensure smooth day-to-day engagements.
- Produced accurate office files, updated spreadsheets to support executives and boost team productivity.
- Contributed to smooth business operations by planning and organizing meetings and conferences, including conference calls.
- Orchestrated successful conferences and associated travel for all speakers and attendees.
- Researched, proposed and implemented vendor agreements to decrease costs and improve services.
- Produced accurate office files, updated spreadsheets and crafted presentations to support executives and boost team productivity.
- Managed complex calendar scheduling with focus on proper allocation of executive availability.
EXECUTIVE ASSISTANT TO VICE PRESIDENT IT
J.C Penny Corporation, Inc
02.2019 - 04.2020
- Charged with strategic scheduling, managing and revising multiple calendars and events for IT leadership, ensuring effective productivity and efficiency.
- Primary point of contact in managing travel (including visa applications), events, on-site logistics and coordination of department meetings.
- Effectively manage expense reporting (via iExpense) with exceptional attention to detail, urgency and flawless execution.
- Used critical thinking to break down problems, evaluate solutions and make decisions
EXECUTIVE ASSISTANT TO SENIOR VICE PRESIDENT & CHIEF OPERATING OFFICER
NTT Data Services, Inc
02.2005 - 12.2018
- Accountable for coordination of weekly meetings with healthcare leaders and organizing travel arrangements to prospects/client meetings, including domestic and international.
- Effectively processed paperwork and ordered equipment for new hires together with scheduling introductory meeting with appropriate individuals according to roles.
- Delivered exceptional customer service, handling enquiries via email and telephone.
- Accurately processed invoices and purchase orders, ordered supplies, prepared and submitted expense reports and maintained and coordinated calendars for executives.
- Charged with approving time and travel requests together with expense reports for leaders' direct reports, ensuring adherence to company policy.
- Delivered high level support of daily operational functions to COO.
- Completed paperwork, recognizing discrepancies and promptly addressing for resolution
EXECUTIVE ASSISTANT TO SENIOR VICE PRESIDENT SALES SUPPORT
Affiliated Computer Services
04.2001 - 02.2005
- Effectively organized travel arrangements and prepared expense reports together with management and coordination of multiple calendars.
- Scheduled executive reviews, strategy sessions and qualification meetings.
- Organized, maintained filing system and ordered supplies.
- Effectively maintained attendance records for entire Sales Support Group.
- Screened telephone calls and processed invoices and purchase orders.
- Processed paper work for new hires and ordered furniture and equipment.
EXECUTIVE ASSISTANT
Nortel Networks
EXECUTIVE ASSISTANT TO SENIOR VICE PRESIDENT MEDICAL
Pfizer, Inc
ADMINISTRATIVE ASSISTANT/EXECUTIVE SECRETARY
Dalton, Griener, Hartman, Maher & Co
ADMINISTRATIVE ASSISTANT/EXECUTIVE SECRETARY TO DIRECTOR OF MARKETING RESEARCH
American Express
EXECUTIVE ASSISTANT TO VICE PRESIDENT HUMAN RESOURCES
Viacom Broadcasting
ASSISTANT TO REGIONAL MANAGER
MGM/UA Home Video
Education
A.A.S - Marketing
Borough of Manhattan Community College
New York, NYB.B.A - Marketing
Baruch College
New York, NYSkills
- Calendar and travel management
- Expense reporting and invoice processing
- Meeting organization and facilitation
- Document preparation and business correspondence
- Time management and multitasking
- Event planning and logistics coordination
- Customer service and support
- Effective communication and interpersonal skills
- Problem solving and process improvement
- Attention to detail and discretion handling
- Executive support and administrative assistance
- Task delegation and resourcefulness
Timeline
Executive Assistant to the Chairman and CEO
Osteal Therapeutics, Inc
01.2024 - 10.2025
Senior Administrative Assistant to SVP
Trinity Industries
05.2023 - 01.2024
SENIOR EXECUTIVE ASSISTANT TO CFO
Kofile
08.2022 - 02.2023
EXECUTIVE ASSISTANT TO THE PRINCIPAL
Ryan
09.2021 - 08.2022
EXECUTIVE ASSISTANT TO CEO
Affinitiv
08.2020 - 08.2021
EXECUTIVE ASSISTANT TO VICE PRESIDENT IT
J.C Penny Corporation, Inc
02.2019 - 04.2020
EXECUTIVE ASSISTANT TO SENIOR VICE PRESIDENT & CHIEF OPERATING OFFICER
NTT Data Services, Inc
02.2005 - 12.2018
EXECUTIVE ASSISTANT TO SENIOR VICE PRESIDENT SALES SUPPORT
Affiliated Computer Services
04.2001 - 02.2005
EXECUTIVE ASSISTANT
Nortel Networks
EXECUTIVE ASSISTANT TO SENIOR VICE PRESIDENT MEDICAL
Pfizer, Inc
ADMINISTRATIVE ASSISTANT/EXECUTIVE SECRETARY
Dalton, Griener, Hartman, Maher & Co
ADMINISTRATIVE ASSISTANT/EXECUTIVE SECRETARY TO DIRECTOR OF MARKETING RESEARCH
American Express
EXECUTIVE ASSISTANT TO VICE PRESIDENT HUMAN RESOURCES
Viacom Broadcasting
ASSISTANT TO REGIONAL MANAGER
MGM/UA Home Video
A.A.S - Marketing
Borough of Manhattan Community College
B.B.A - Marketing
Baruch College