About Block
computer software: prepackaged software, technology, financial infrastructure, user experience, distributed systems, payment systems, buy now pay later, envoy, music streaming, cryptography, defi, grpc, okhttp, community-driven development, bitcoin ecosystem, machine learning, financial empowerment, microservices, financial technology, financial services
Block's Tech Stack
Other
Payment
Social
Marketing
Analytics
Frontend
Decision Makers at Block
80 contactsTanvi Motwani
Head of Product AI
Chris Nasrallah
Head of Machine Learning, Financial Crimes (Square + Cash App)
Elnora Kelly
Head of Strategic People Research & Analytics Partnerships
Tessa Pettman
Director of Product Marketing
Felicia Heng
Head of Support Machine Learning Modeling
Dhanji Prasanna
Chief Technology Officer
Michael Beckman
Director of Product Management, AI, Data & Analytics
Amay Singhal
Senior Engineering Manager, Services
Milly Rowett
Senior Engineering Manager
Varun Raisinghani
Engineering Manager
Emma Woods
Senior Technical Program Manager - Platform Engineering
Hongdi Li
Engineering Manager
Joel Kustka
Engineering Manager
Benjamin Ponedel
Director of Engineering: Applied AI
Nicholas Picard
Director Program Management, Foundational Engineering
Alex McPherson
Senior Engineering Manager
Gregg Wiedenmann
Senior Software Engineering Manager
Jim Liu
Engineering Manager
Matthew White
Engineering Manager
Jessica McCay
Senior Engineering Manager / Director, Data Gateway
Dobrea Vladislav
Engineering Manager
Clay Garrett
Engineering Manager, Bitcoin Wallet
Angie Jones
VP Engineering, AI Tools & Enablement
Emily Slocombe
Engineering Manager
Unnee Udayakumar
Senior Manager, Data Engineering
Tim Orr
Cloud Security Engineering Manager
Tom Bedor
Machine Learning Engineering Manager
Bret Askeland
Payments Security Engineering Manager
Anirudh Bhatnagar
Engineering Manager
Hayden Kinney
Engineering Manager - Connected Devices Experience
Adam Edwards
Director, Software Engineering - Payments
Sebastian
Platform Security Engineering Manager
Rajan Bhatt
Engineering Manager - Data Infrastructure
Boying Shi
Engineering Manager
Federico Boerr
Engineering Manager
Riti Bahlani
Technical Lead / Engineering Manager
Liching Li
Senior Engineering Manager - Applied AI - Support
Izaak Horner
Director, Global Technical Account Management & Infra Ops Engineering, Afterpay + Cash App Pay
Rahul Govindan
Information Security Engineering Manager
Bradley Dwyer
Engineering Manager
Jing Li
Engineering Manager
Jeanne Lee
Senior Engineering Manager, Applied AI
Jackie Brosamer
Director of Engineering, Data Platform
Qirui Sun
Software Engineering Manager
Nikhil Baradwaj
Engineering Manager, Machine Learning
Peter Bogdanovic
Global Head of Cloud Platform Engineering
Liang Huang
Head of Product - Data Infrastructure | Platform Engineering
Assaf Warshitzky
VP Platform Engineering
Galit Alon
Engineering Manager
Manik Surtani
VP of Engineering, Platform and Cloud
Radha Ranganathan
Engineering Manager
Paul Friedman
Head of Infrastructure Security Engineering
Sam Weissman
Engineering Manager - Platform Product Experience, Cloud Foundations
Eduard Terzi
Engineering Manager
Sharmi Nair
Engineering Manager, Chargebacks
Willie Greene
People Analytics Platform Manager
Isaac Tamblyn
Manager of Machine Learning
Imran Raja
Engineering Manager, TIDAL
Konstantin Loginov
Engineering Manager
Alex Hayes
Engineering Manager
Andrew Lane
Engineering Manager
Tim Su
Engineering Manager
Petros Koutros
Head of Cloud Application Engineering
Amir Anhari
Senior Engineering Manager, Machine Learning Platform
Vitalie Scurtu
Engineering Manager
Yaj Yechuri
Head of Employee Platforms Engineering
Waqar Khan
Sr. Engineering Manager
Paul Luong
Senior Director, Data and AI Engineering
Yemi Odujole
Head of Foundational Trust Engineering
Jacob
Engineering Manager
Pinjie Huang
Senior Engineering Manager
Gabor Pap
Engineering Manager, Developer Tools, Platform
Arihant V.
Engineering Manager, Offensive Security and Secure Design
Piper Niehaus
Software Engineering Manager
Caleb Johnston
Firmware Engineering Manager
Jefferson H.
Software Engineering Manager
Jacob Block
Director of Global Recruiting, Go-to-Market + Sales Engineering
Allison Matlack
Head of Engineering Culture & Programs
Emma Miller
Head of Engineering Strategy, Culture and Operations
Todd Aument
Chief Information Security Officer - CISO - Square Financial Services
Unlock full contact details including verified emails and LinkedIn profiles
Upgrade to ProSales Outreach Angle
React-based front-ends indicate a modern web engineering stack. Developer tools, component libraries, testing frameworks, and design systems are relevant sales angles.
Block's Position in the StackWho Database
- • Block 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).
- • 53,147 companies in California are in the StackWho database.
- • 165 financial services companies are in the 10001+ employee range (same size as Block).
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 Block use?
Block uses Route 53, Rackspace MailGun, Gmail, Google Apps, Microsoft Office 365, Afterpay, and 13 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Block?
StackWho has verified email addresses for 80 decision makers at Block. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Block directly for sales, recruiting, or partnerships.
What industry is Block in?
Block operates in the financial services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export Block's contact data?
Yes. StackWho Pro members can export decision maker contact data for Block 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
Tanvi Motwani
Head of Product AI
Chris Nasrallah
Head of Machine Learning, Financial Crimes (Square + Cash App)
Elnora Kelly
Head of Strategic People Research & Analytics Partnerships
Tessa Pettman
Director of Product Marketing
Felicia Heng
Head of Support Machine Learning Modeling
Dhanji Prasanna
Chief Technology Officer
Michael Beckman
Director of Product Management, AI, Data & Analytics
Amay Singhal
Senior Engineering Manager, Services
Milly Rowett
Senior Engineering Manager
Varun Raisinghani
Engineering Manager
Emma Woods
Senior Technical Program Manager - Platform Engineering
Hongdi Li
Engineering Manager
Joel Kustka
Engineering Manager
Benjamin Ponedel
Director of Engineering: Applied AI
Nicholas Picard
Director Program Management, Foundational Engineering
Alex McPherson
Senior Engineering Manager
Gregg Wiedenmann
Senior Software Engineering Manager
Jim Liu
Engineering Manager
Matthew White
Engineering Manager
Jessica McCay
Senior Engineering Manager / Director, Data Gateway
Dobrea Vladislav
Engineering Manager
Clay Garrett
Engineering Manager, Bitcoin Wallet
Angie Jones
VP Engineering, AI Tools & Enablement
Emily Slocombe
Engineering Manager
Unnee Udayakumar
Senior Manager, Data Engineering
Tim Orr
Cloud Security Engineering Manager
Tom Bedor
Machine Learning Engineering Manager
Bret Askeland
Payments Security Engineering Manager
Anirudh Bhatnagar
Engineering Manager
Hayden Kinney
Engineering Manager - Connected Devices Experience
Adam Edwards
Director, Software Engineering - Payments
Sebastian
Platform Security Engineering Manager
Rajan Bhatt
Engineering Manager - Data Infrastructure
Boying Shi
Engineering Manager
Federico Boerr
Engineering Manager
Riti Bahlani
Technical Lead / Engineering Manager
Liching Li
Senior Engineering Manager - Applied AI - Support
Izaak Horner
Director, Global Technical Account Management & Infra Ops Engineering, Afterpay + Cash App Pay
Rahul Govindan
Information Security Engineering Manager
Bradley Dwyer
Engineering Manager
Jing Li
Engineering Manager
Jeanne Lee
Senior Engineering Manager, Applied AI
Jackie Brosamer
Director of Engineering, Data Platform
Qirui Sun
Software Engineering Manager
Nikhil Baradwaj
Engineering Manager, Machine Learning
Peter Bogdanovic
Global Head of Cloud Platform Engineering
Liang Huang
Head of Product - Data Infrastructure | Platform Engineering
Assaf Warshitzky
VP Platform Engineering
Galit Alon
Engineering Manager
Manik Surtani
VP of Engineering, Platform and Cloud
Radha Ranganathan
Engineering Manager
Paul Friedman
Head of Infrastructure Security Engineering
Sam Weissman
Engineering Manager - Platform Product Experience, Cloud Foundations
Eduard Terzi
Engineering Manager
Sharmi Nair
Engineering Manager, Chargebacks
Willie Greene
People Analytics Platform Manager
Isaac Tamblyn
Manager of Machine Learning
Imran Raja
Engineering Manager, TIDAL
Konstantin Loginov
Engineering Manager
Alex Hayes
Engineering Manager
Andrew Lane
Engineering Manager
Tim Su
Engineering Manager
Petros Koutros
Head of Cloud Application Engineering
Amir Anhari
Senior Engineering Manager, Machine Learning Platform
Vitalie Scurtu
Engineering Manager
Yaj Yechuri
Head of Employee Platforms Engineering
Waqar Khan
Sr. Engineering Manager
Paul Luong
Senior Director, Data and AI Engineering
Yemi Odujole
Head of Foundational Trust Engineering
Jacob
Engineering Manager
Pinjie Huang
Senior Engineering Manager
Gabor Pap
Engineering Manager, Developer Tools, Platform
Arihant V.
Engineering Manager, Offensive Security and Secure Design
Piper Niehaus
Software Engineering Manager
Caleb Johnston
Firmware Engineering Manager
Jefferson H.
Software Engineering Manager
Jacob Block
Director of Global Recruiting, Go-to-Market + Sales Engineering
Allison Matlack
Head of Engineering Culture & Programs
Emma Miller
Head of Engineering Strategy, Culture and Operations
Todd Aument
Chief Information Security Officer - CISO - Square Financial Services
More in financial services
View all companiesCompanies in California
Browse CaliforniaTechnologies Used
-
Route 53
- Rackspace MailGun
- Gmail
- Google Apps
- Microsoft Office 365
- Afterpay
-
React Redux
- Vimeo
- +11 more in full profile