An account executive is a professional who is responsible for managing and building relationships with clients or customers on behalf of a company. Their primary role is to understand the needs and goals of clients, and then develop strategies to meet those needs using the products or services offered by their company.

Account executives typically work in sales or marketing departments and act as a liaison between the clients and the company. They are responsible for acquiring new clients, nurturing existing client relationships, and ensuring customer satisfaction. They may also be involved in negotiating contracts, resolving issues or complaints, and providing product or service demonstrations.

Key responsibilities of an account executive may include:

1. Building and maintaining relationships with clients: This involves regular communication, understanding their requirements, and providing support and assistance as needed.

2. Sales and business development: Identifying new business opportunities, prospecting potential clients, and presenting company offerings to generate sales.

3. Account management: Managing and retaining existing clients by providing exceptional customer service, addressing concerns, and identifying upsell or cross-sell opportunities.

4. Strategic planning: Collaborating with internal teams to develop strategies and solutions tailored to clients' needs, and ensuring the company's products or services align with client objectives.

5. Reporting and analysis: Tracking sales activities, preparing reports, and analyzing data to evaluate performance and identify areas for improvement.

6. Contract negotiation: Negotiating terms and conditions, pricing, and agreements with clients to secure contracts or renewals.

Account executives often work in fast-paced environments and are expected to meet sales targets and revenue goals. They require excellent communication, negotiation, and interpersonal skills, as well as the ability to multitask and work under pressure.

It's important to note that the specific responsibilities and requirements of an account executive may vary depending on the industry, company size, and individual job description.