About Circle
blockchain, digital currency, crypto, fintech, consumer finance, stablecoins, software, cryptocurrency, blockchain / cryptocurrency, financial technology, information technology, finance: consumer services, finance, stablecoin finance, stablecoin regulation, regulated stablecoins, blockchain development, cross-chain transfer, digital asset security, stablecoin liquidity management
Circle's Tech Stack
Marketing
Other
Route 53
Sage Intacct
SalesLoft
Salesforce Service Cloud
The Trade Desk
Twitter Advertising
Typekit
Vidyard
Cloud
Analytics
CMS
Automation
Frontend
Payment
Design
AI/ML
Mobile
Communication
Decision Makers at Circle
35 contactsMarlys Rodgers
Chief Information Security Officer
Trevor Baker
Vice President, Technical Operations
Dane Vandenberg
Senior Director, Security Operations
Li Fan
Chief Technology Officer
Andrew Klein
Eng Manager at Circle | Former startup CTO
Rachel Mayer
VP, Growth and Product Marketing
Eran Shtiegman
Senior Vice President of Product
Kristin Fritsch
Engineering Manager
Ryan Aston
Engineering Manager
Gokhan Oner
Engineering Manager
Rustam Mamedov
Engineering Manager
David Musicant
Senior Director of Engineering
Santhan Kusam
Senior Engineering Manager
Tobias Golbs
Engineering Manager
Tamas Henning
Vice President - Security Engineering & Research
Bilal Durrani
Director of Engineering
Khaled Bakhit
Software Engineering Manager
Li Li
Senior Engineering Manager
Steve Jin
Senior Engineering Manager
David Yu
Software Engineering Manager
Patrick Phua
Head of Solutions Engineering APAC, Director
Sathish Narayanaswamy
Senior Engineering Manager
Justin Bell
Software Engineering Manager
Hao Min
Vice President of Engineering
James Cantwell
Director of Engineering at Circle
Ishan Chatterjee
Director Of Engineering
Prajakta Kalekar
VP of Engineering
Hanna Kalosha
Engineering Manager
Istvan Safranyos
Engineering Manager
Jonatas Lopes
Engineering Manager - Cloud Infrastructure
Yue Hu
Senior Engineering Manager
Sarah Martin
Engineering Manager
James Fong
VP of Engineering, SRE
Timmy Lin
Engineering Manager
Luiz Rolim
Senior Engineering Manager
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Circle's Position in the StackWho Database
- • Circle is 1 of 21,667 financial services companies tracked in StackWho.
- • 21,586 financial services companies in our database have verified decision-maker emails (100% of the cohort).
- • 10,409 companies in Massachusetts are in the StackWho database.
- • 660 financial services companies are in the 501-1000 employee range (same size as Circle).
Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.
Frequently Asked Questions
What technology does Circle use?
Circle uses Salesforce, Amazon SES, Gmail, Google Apps, CloudFlare Hosting, Amazon AWS, and 70 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Circle?
StackWho has verified email addresses for 35 decision makers at Circle. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Circle directly for sales, recruiting, or partnerships.
What industry is Circle in?
Circle operates in the financial services industry, headquartered in Boston, Massachusetts, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export Circle's contact data?
Yes. StackWho Pro members can export decision maker contact data for Circle and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Decision Makers
Marlys Rodgers
Chief Information Security Officer
Trevor Baker
Vice President, Technical Operations
Dane Vandenberg
Senior Director, Security Operations
Li Fan
Chief Technology Officer
Andrew Klein
Eng Manager at Circle | Former startup CTO
Rachel Mayer
VP, Growth and Product Marketing
Eran Shtiegman
Senior Vice President of Product
Kristin Fritsch
Engineering Manager
Ryan Aston
Engineering Manager
Gokhan Oner
Engineering Manager
Rustam Mamedov
Engineering Manager
David Musicant
Senior Director of Engineering
Santhan Kusam
Senior Engineering Manager
Tobias Golbs
Engineering Manager
Tamas Henning
Vice President - Security Engineering & Research
Bilal Durrani
Director of Engineering
Khaled Bakhit
Software Engineering Manager
Li Li
Senior Engineering Manager
Steve Jin
Senior Engineering Manager
David Yu
Software Engineering Manager
Patrick Phua
Head of Solutions Engineering APAC, Director
Sathish Narayanaswamy
Senior Engineering Manager
Justin Bell
Software Engineering Manager
Hao Min
Vice President of Engineering
James Cantwell
Director of Engineering at Circle
Ishan Chatterjee
Director Of Engineering
Prajakta Kalekar
VP of Engineering
Hanna Kalosha
Engineering Manager
Istvan Safranyos
Engineering Manager
Jonatas Lopes
Engineering Manager - Cloud Infrastructure
Yue Hu
Senior Engineering Manager
Sarah Martin
Engineering Manager
James Fong
VP of Engineering, SRE
Timmy Lin
Engineering Manager
Luiz Rolim
Senior Engineering Manager
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Browse MassachusettsTechnologies Used
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Salesforce
- Amazon SES
- Gmail
- Google Apps
-
CloudFlare Hosting
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- SendInBlue
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