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What are the key skills and qualifications needed to thrive as an Executive Assistant, and why are they important?

To thrive as an Executive Assistant, you need strong organizational abilities, attention to detail, and proficiency in office administration, typically supported by a degree or relevant experience. Familiarity with office software like Microsoft Office Suite, calendar management systems, and sometimes project management tools is essential. Excellent communication, discretion, and problem-solving skills help you manage complex schedules and sensitive information effectively. These skills are crucial for supporting executives efficiently, ensuring smooth operations, and maintaining confidentiality in a fast-paced environment.

How do Executive Assistants typically manage competing priorities and urgent requests from multiple executives or departments?

Executive Assistants often juggle tasks for multiple leaders or teams, making time management and prioritization essential skills. They typically use digital calendars, project management tools, and clear communication to track deadlines, coordinate schedules, and ensure urgent requests are handled promptly. Regular check-ins with executives and a proactive approach to anticipating needs help minimize conflicts and last-minute changes. Building strong relationships with stakeholders across the organization also allows Executive Assistants to effectively negotiate priorities and deliver high-quality support.

What are Executive Assistants?

Executive Assistants are highly skilled administrative professionals who provide support to senior executives, such as CEOs or company presidents. Their responsibilities typically include managing schedules, organizing meetings, handling correspondence, making travel arrangements, and acting as a liaison between executives and other staff. Executive Assistants often handle confidential information and are trusted to ensure day-to-day operations run smoothly. Strong organizational, communication, and problem-solving skills are essential for this role.

What is the difference between Executive Assistant vs Administrative Assistant?

AspectExecutive AssistantAdministrative Assistant
Required CredentialsHigh school diploma; often some college or certifications; strong organizational skillsHigh school diploma; basic office skills
Work EnvironmentSupports executives in corporate or business settingsSupports teams or departments in various office environments
Employer & Industry UsageCommon in corporate, legal, and financial sectorsWidespread across industries, including healthcare, education, and retail
Search & Comparison IntentOften searched by those seeking high-level support rolesMore general, for entry-level or support roles

While both roles provide essential administrative support, Executive Assistants typically work directly with top executives, handling complex tasks and confidential information. Administrative Assistants support broader office functions and may assist multiple staff members. The key difference lies in the level of responsibility, scope of work, and the target employer or industry.

What is it like to work at Mosaic?

Mosaic is a company that values collaboration and innovation, fostering a dynamic work environment where employees can share ideas and expertise to drive growth and progress.

The company's team structure is designed to be agile and adaptable, with cross-functional teams working together to achieve shared goals and objectives. Mosaic's mission is to provide sustainable and renewable energy solutions, and the work environment reflects this focus on innovation and sustainability.

Working at Mosaic may appeal to candidates who are passionate about sustainability and renewable energy, and who are looking for a challenging and dynamic work environment where they can contribute to making a positive impact on the world.
What other companies are hiring for Executive Assistant jobs?
What are the most popular jobs at Mosaic?
What are the most popular categories at Mosaic?
Infographic showing various Executive Assistant job openings at Mosaic in the United States as of May 2026, with employment types broken down into 1% As Needed, 83% Full Time, 15% Part Time, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.
Executive Assistant - WTC and Mosaic Project

Executive Assistant - WTC and Mosaic Project

St. Louis Economic Development Partnership

Saint Louis, MO • On-site

$25 - $27.40/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago

Job description

Executive Assistant - World Trade Center St. Louis and Mosaic Project
Work to Improve and Increase Economic Opportunities in the St. Louis Region
The St. Louis Economic Development Partnership (STL Partnership) is a Missouri non-profit corporation organized for the purposes of advancing the social welfare, health, and economic interests of the St. Louis region and its residents. In furtherance of its organizational purposes, STL Partnership provides governmental economic development services to both St. Louis County and the City of St. Louis.
For more than 30 years, as the international division of the St. Louis Economic Development Partnership, World Trade Center St. Louis (WTC) has supported growth for the region's businesses as well as ensuring St. Louis companies are represented in an increasingly global marketplace. From customized market research to trade training, hosting inbound and outbound delegations, and managing St. Louis' Foreign Trade Zone, Mosaic Project, and Sister Cities organizations, WTC brings together a strong system of business and government agencies to support trade and investment and enhance St. Louis' global connectivity.
Position Description
Provide high-level administrative and clerical support to World Trade Center St. Louis executive director and day-to-day office operations, accounting functions, and in-person event support for larger World Trade Center and St. Louis Mosaic Project operations. Rely on experience and judgment to plan and accomplish goals.
The Executive Assistant reports directly to the Executive Director of the World Trade Center St. Louis while also supporting the Deputy Director of the WTC-St. Louis and Executive Director of the Mosaic Project.
Job Duties
  • Manage the calendar of the Executive Director, including arranging meetings, coordinating events, and scheduling travel.
  • Oversee day-to-day WTC office operations; organizes and maintains electronic filing system; order and maintain office supplies.
  • Provide administrative support to WTC Deputy Director and Mosaic Project Executive Director; assist with scheduling of meetings, event planning functions, support of major initiatives and preparation of presentations and report materials.
  • Provide administrative support for the Sister Cities program, to include financial grant allocations and annual reporting.
  • Handle requests from Sister Cities for assistance, meetings with elected officials, and any other requests.
  • Manage accounting functions (invoices and accounts payable).
  • Assist with fiscal year budgets for WTC and St. Louis Mosaic Project.
  • Exceptional verbal and written communication are required to ensure effective interaction with visitors, international delegations, government officials worldwide, local elected officials, board members, and WTC
  • Responsible for travel requests, mileage reports, travel expense reimbursement, other expense
  • Coordinate events, such as incoming delegations - ordering catering, name tags, table tents, reserving meeting rooms, email follow-up, tracking
  • Set up and coordinate meetings.
  • Coordinate multiple boards' quarterly meetings, including: preparing agendas, resolutions, (working with Legal Department) meeting minutes, board appointments/rosters, and board
  • Coordinate contracts with the Legal Department and vendors for signatures.
  • Support the Executive Director with trade mission planning.
  • Work independently on complex and confidential assignment
  • Work independently in responding to routine correspondence.
  • Assist with special assignments as needed.
  • Assist in special events, such as fundraising activities and the annual meeting.
  • Perform various other duties and functions as required or assigned within area of expertise or scope of the position.

Professional Qualifications
Education
Associates Degree (Bachelors preferred), plus additional training in office management, business administration, and Microsoft Office suite.
Experience and Skills
  • At least five years of progressively more responsible related work
  • Knowledge of office management practices, and procedures.
  • Knowledge of administration, clerical, and accounting Working knowledge of MIP accounting software (formerly Abila) desirable.
  • Advanced skills in Microsoft Office Suite, including Word, Excel, Outlook, and Teams Meeting Scheduling.
  • Skilled in Adobe Acrobat, DocuSign, and Zoom.
  • Detail oriented; problem solving.
  • Ability to think critically and make inferences from written materials.
  • Cross cultural experience and global perspective gained by working/living with people of other cultures highly desirable.
  • International affairs or business experience is desired but not
  • Perform light physical work lifting up to 10 pounds on an occasional basis; perform such activities as typing, grasping, lifting, reaching, crouching, and repetitive tasks.
  • Understand and execute both basic and complex directions.

Personal Qualities
  1. Demonstrated commitment to public service and STL Partnership's mission.
  2. Self-motivated and able and willing to manage an aggressive schedule to meet job demands.
  3. A team player who inspires collaboration and is well-organized.
  4. Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form.

Interpersonal Characteristics
Strong written and verbal communication skills are expected. The selected candidate should be a strong team and relationship builder and self-motivated. It is expected that the selected candidate will recognize and respect diversity and work effectively with people of all backgrounds and cultures and will have a desire to make a positive difference within the community. It is expected that the selected candidate will maintain a professional work environment and will treat others with respect and dignity in executing all job functions.
Working Conditions
The job duties described above are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations will be made to enable individuals with disabilities to perform the essential functions.
Compensation and Terms
Commensurate with experience, we offer a competitive base salary and a culture that fosters and supports creativity and innovation. STL Partnership offers a generous benefits package that includes paid time off and holidays; medical, dental, vision, life, and disability insurance; and retirement plan options. This is a full-time, non-exempt position under the Fair Labor Standards Act.
Interested and qualified applicants should submit their resume to .
Applicants are also encouraged to visit our website to learn more about the organization and opportunity: and .
The St. Louis Economic Development Partnership is an equal opportunity employer. STL Partnership considers applicants without regard to race, color, religion, creed, gender, national origin, age, disability, marital or veteran status, or any other legally protected status.
Accredited Economic Development Organization The St. Louis Economic Development Partnership is proud to have earned the distinguished title, Accredited Economic Development Organization (AEDO) from the International Economic Development Council (IEDC). The accreditation signifies the professional excellence of economic development entities throughout North America.

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