Jefferson Day Email & Phone Number

Jefferson Day

Chief Of Staff at American Express | New York, New York, United States

Jefferson Day Socials
About Jefferson Day

Jefferson Day currently serves as the Chief of Staff to the VP/GM of US Customer & Product Marketing for Global Commercial Services at American Express, where he plays a pivotal role in steering a dynamic team of over 100 professionals. This diverse group is dedicated to managing marketing strategies across every channel in the customer lifecycle, with a particular focus on enhancing relationships with Small Business and Middle Market customers. Jefferson’s expertise lies in orchestrating complex marketing initiatives that drive customer engagement and loyalty, making him an invaluable asset in the competitive landscape of financial services.

In his current role, Jefferson owns the Business Platinum acquisition experience, collaborating closely with Marketing and Sales teams to propel North American Acquisition (NAA) momentum and growth. His strategic oversight includes the development of comprehensive monthly performance reports for the Global Commercial Services Executive Leadership Team (ELT), ensuring that key stakeholders are informed and aligned on business objectives. As the Project Management Office (PMO) lead for critical Business Platinum initiatives, he facilitates collaboration across departments, launching innovative projects that enhance customer experiences and drive revenue.

Jefferson’s skill set is broad and impactful, encompassing areas such as marketing strategy, media relations, and event planning. His proficiency in tools like Microsoft Excel and PowerPoint enables him to present data-driven insights effectively, while his background in higher education and teaching enhances his ability to communicate complex ideas clearly. With a passion for blogging and social media, Jefferson also leverages these platforms to engage with customers and stakeholders, further solidifying American Express's position as a leader in customer-centric financial solutions.

Jefferson Day Work
1 experience icon

Chief Of Staff at American Express in December 2021 to Present

2 experience icon

Strategic Partnerships Manager at American Express in August 2020 to December 2021

3 experience icon

MBA Student at NYU Stern School of Business in August 2018 to August 2020

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Jefferson Day Education

NYU Stern School of Business, Master of Business Administration - MBA, Entrepreneurship, Marketing, Sustainability & Innovation, February 2025

University of Chicago, Bachelor of Arts, History, February 2025

Jefferson Day Skills

Research

Leadership

Teaching

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About Jefferson Day's Current Company
Frequently Asked Questions about Jefferson Day

What is Jefferson Day email address?

Email Jefferson Day at [email protected] and [email protected]. This email is the most updated Jefferson Day's email found in 2025.

How to contact Jefferson Day?

To contact Jefferson Day send an email at [email protected] or [email protected].

What company does Jefferson Day work for?

Jefferson Day works for American Express

What is Jefferson Day's role at American Express?

Jefferson Day is Chief Of Staff

What is Jefferson Day's Phone Number?

Jefferson Day's phone (212) ***-*167

What industry does Jefferson Day work in?

Jefferson Day works in the Public Relations and Communications industry.

Jefferson Day Email Addresses

Email Jefferson Day at [email protected] and [email protected]. This email is the most updated Jefferson Day's email found in 2025.

Jefferson Day Phone Numbers

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