John Williams

About John Williams

Experienced Product Manager with over four years of expertise in the fintech sector, driving innovation and digital transformation across leading financial institutions. Proven track record of spearheading complex, multi-regional product initiatives, including the migration of legacy systems to cloud-based SaaS applications, development of robust customer acquisition interfaces, and launch of strategic partnerships resulting in significant efficiency gains and business growth. Skilled in leading cross-functional teams, leveraging data-driven decision-making, and executing go-to-market strategies for digital products, with a focus on enhancing user experiences and driving operational efficiencies in areas such as digital payments, e-commerce solutions, and business banking services.

Experience

1. VP, Payment Gateway Implementation Lead for North America

   Citi

   Jun 2025 — Present

   Own the full client onboarding cycle from point of sale through go-live, including technical solutioning, development support, sandbox testing, and production deployment for Spring by Citi\'s global eCommerce payment gateway- Serve as subject matter expert for Spring by Citi APIs, acting as client advocate in technical discussions and applying deep API knowledge to diverse client use cases and business payment flows- Partner with Sales and Product teams in pre-sales activities, delivering technical demonstrations of Spring by Citi APIs and providing technical integration consulting to prospective enterprise clients- Provide technical troubleshooting and development support to merchant developers integrating card acquiring, alternative payment methods, digital wallets, and bank transfer solutions

Education

• Mississippi State University

  Bachelor's degree

  2011 — 2015

• The University of Texas at Austin – Center for Professional Education (CPE)

  Paralegal Certificate Program

• South Delta High School

  High School Diploma

  2007 — 2011

Skills

• Advertising
• Budgets
• Community Outreach
• Business Management
• Sponsorship Management
• Microsoft Excel
• Powerpoint
• Leadership
• Student Recruiting
• Entrepreneurship
• Microsoft Powerpoint
• Estimating
• Student Leadership
• Social Media
• Sports Marketing
• Microsoft Office
• Event Management
• Crowdfunding
• Xactimate
• Indesign
• Microsoft Word
• Event Planning
• Sponsorship
• Fundraising
• Marketing Strategy
• Adobe Photoshop
• Strategic Partnerships
• Start-Ups
• Higher Education
• Student Government
• Subscription Sales
• Public Speaking
• Customer Relationship Management (Crm)
• Sponsorship Activation