Jefferson Day
Chief Of Staff at American Express | New York, New York, United States
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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.
Chief Of Staff at American Express in December 2021 to Present
Strategic Partnerships Manager at American Express in August 2020 to December 2021
MBA Student at NYU Stern School of Business in August 2018 to August 2020
MBA Marketing Intern - Global Commercial Services at American Express in June 2019 to August 2019
Marketing Communications Specialist at AVEVA in September 2016 to May 2018
Assistant Account Executive/Account Executive, Corporate Affairs at Edelman in January 2014 to September 2016
Intern, Corporate Affairs at Edelman in September 2013 to December 2013
WordPress, Social Media and Database Specialist at Tiara International LLC in August 2013 to December 2013
Fulbright English Teaching Assistant at U.S. Department of State in July 2012 to June 2013
Policy Consulting Intern at Freedman Consulting, LLC in July 2011 to September 2011
Campaign Marketing Intern at Riverbed Technology in June 2011 to July 2011
Patent Paralegal Intern at Fish & Richardson P.C. in June 2010 to August 2010
Volunteer Tutor at Michael Barlow Center in October 2009 to February 2010
LEAD Counselor at Boston University Academy in July 2009 to August 2009
Staff Intern at Massachusetts State Senator Brian A. Joyce in June 2007 to August 2007
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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
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Research
Leadership
Teaching
Facebook
Higher Education
Community Outreach
Public Speaking
Press Releases
Media Relations
Marketing
Marketing Strategy
Politics
Microsoft Office
Social Media
Event Planning
Data Analysis
Microsoft Excel
Microsoft Word
PowerPoint
Grants
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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
Jefferson Day Phone Numbers
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