Sarah Siggelakis

Product Leader | Scaling B2B Payments

Role
Product Manager - Commercial and New Payment Flows at Mastercard
Location
Princeton, NJ, US
LinkedIn followers
500 followers

About Sarah Siggelakis

Product Leader | B2B Payments, Embedded Finance & AI-Powered InsightsI build and scale B2B payment products that drive adoption, optimize revenue, and deliver measurable customer value. With 10+ years in SaaS and fintech, I’ve led zero-to-one initiatives, expanded global solutions, and launched payment innovations across card, ACH, RTP, and embedded rails — now enhanced with AI and predictive analytics to anticipate risk and accelerate decision-making. What I Do Best: Lead product strategy from concept through commercialization Deliver AI-powered and data-driven insights that boost performance and reduce risk Manage and mentor cross-functional product teams to deliver at scale Align go-to-market, engineering, and customer feedback into high-impact roadmap execution Recent Highlights:– Scaled payment network TPV by 930%– Delivered $25M+ in revenue through embedded payments and API integrations– Led a global partnership product launch generating $6M annually– Built new ACH pricing models and compliance enhancements aligned to NACHA 2026 requirements– Spearheading development of predictive alerting and policy intelligence features for proactive risk managementI thrive in fast-paced, highly regulated industries where clarity, customer insight, and strong execution drive results. Let’s connect if you want to talk product leadership, payments innovation, or AI-powered growth.

Experience

  1. Product Manager - Commercial and New Payment Flows

    Mastercard

    Sep 2025 — Present · New York, NY, US

Education

  • Franklin & Marshall College

    Bachelors, Philosophy and Psychology

    2005 — 2009

Skills

  • Project Management
  • Communications Management
  • Event Management
  • Interviews
  • Saas
  • Bid Writing
  • Business Development
  • Spss
  • Agile Methodologies
  • Time Management
  • Team Building
  • Management
  • Visio
  • Writing
  • Copy Editing
  • Microsoft Excel
  • Powerpoint
  • Wiki Markup
  • Higher Education
  • Organizational Development
  • Bid Preparation
  • Training
  • Research
  • Data Analysis
  • Human Resources
  • Market Research
  • Editing
  • Technical Writing
  • Excel
  • Educational Technology
  • Teamwork
  • Survey Design
  • Microsoft Word
  • Resume Writing
  • Crm
  • Analysis
  • Enterprise Software
  • Charter Schools
  • User Documentation
  • Recruiting

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Sarah Siggelakis — Product Manager - Commercial and New Payment Flows at Mastercard in Princeton, NJ, US | Unifers