Daniel Firestone
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Daniel Firestone Email & Phone Number

Partner Engineering Director, Azure Host Networking and Hardware Acceleration at Microsoft
Location: Seattle, Washington, United States 6 work roles 2 schools
2 work emails found @microsoft.com 2 phones found area 917 and 503 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

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Work email d****@microsoft.com
Direct phone (917) ***-****
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Current company
Role
Partner Engineering Director, Azure Host Networking and Hardware Acceleration
Location
Seattle, Washington, United States
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Daniel Firestone is listed as Partner Engineering Director, Azure Host Networking and Hardware Acceleration at Microsoft, a with 10 employees, based in Seattle, Washington, United States. AeroLeads shows a work email signal at microsoft.com, phone signal with area code 917, 503, and a matched LinkedIn profile for Daniel Firestone.

Daniel Firestone previously worked as Principal Group Software Engineering Manager at Microsoft and Senior Software Engineering Manager - Azure Host Networking Team at Microsoft. Daniel Firestone holds Computer Science And Engineering from Massachusetts Institute Of Technology.

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*@microsoft.com
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Profile bio

About Daniel Firestone

I lead the Azure Host Networking and Hardware Acceleration Group, as part of Microsoft's Azure Compute Team. We are an integrated hardware-software codesign team building Azure's host networking and offloads stack. We're responsible for the dataplane of Azure Boost - a high performance, SmartNIC-based virtualized infrastructure for datacenter networking and storage at 200Gbps and beyond. Our HW-SW codesigns blend FPGA, ASIC, and SW-programmable accelerators to deliver high speed network virtualization, load balancing, RDMA for storage and AI, accelerated block storage, and hybrid connectivity scenarios, all delivered at cloud scale with rock solid reliability.I started as the lead vswitch dev in Azure's early years, and built the team from the ground up. Today, we are a group of 250+ engineers with thriving sites in Redmond, WA; Hyderabad and Bangalore, India; Haifa and Tel Aviv, Israel; Vancouver, Canada; and Belgrade, Serbia.I am hiring software and hardware engineers to build the next generation of Azure Boost, SmartNICs, storage acceleration, and host SDN in the US, India, Israel, and Canada! Send me a note if interested.For a descipriton of VFP and SmartNIC:Azure CTO Mark Russinovich's ONS'15 keynote at https://www.youtube.com/watch?v=RffHFIhg5ScAlbert Greenberg's keynote at ONS'14 https://www.youtube.com/watch?v=8Kyoj3bKepYBlog: https://aka.ms/ons-hyperscale-sdn-blogPress: https://arstechnica.com/?post_type=post&p=964715Research papers: https://aka.ms/vfpPrior to Azure, I studied at MIT, taking graduate-level courses in Operating Systems, Distributed Systems, Security, Cryptography, Computer Architecture, Compiler Optimization, and Computability and Complexity Theory.

Current workplace

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Microsoft
Microsoft
Partner Engineering Director, Azure Host Networking and Hardware Acceleration
Redmond, WA
Website
Employees
10
AeroLeads page
6 roles

Daniel Firestone work experience

A career timeline built from the work history available for this profile.

Partner Engineering Director, Azure Host Networking And Hardware Acceleration

Current

Redmond, Washington, Us

I am a Tech Lead and Engineering Director in the Azure Compute + Host Division, leading the Azure Host Networking and Hardware Acceleration Team.I'm responsible for development of the dataplane for Azure Boost, our FPGA-based SmartNIC networking and storage hardware acceleration platform, and the Azure Virtual Filtering Platform, Microsoft's cloud virtual switch. VFP runs the SDN stack on every server in our cloud, and SmartNIC serves as the NIC on all our new servers since 2015. SmartNIC powers Azure Accelerated Networking, the default VM networking stack for Azure customers, and RDMA-based acceleration for Azure's Block Storage offerings. VFP is also the basis for the Windows Server SDN stack used by Microsoft Azure Stack, our private cloud offering.I lead a combined team of >250 software and hardware (RTL and DV) engineers, spanning the US, Israel, India, Serbia, and Canada. I am responsible for the quality, performance, cost, feature set, and technical strategy / hardware roadmap of Azure's host dataplane.We're hiring software and hardware engineers worldwide - if this sounds exciting to you, send me a note!

Sep 2021 - Present

Principal Group Software Engineering Manager

Redmond, Washington, Us

I was a tech lead and group manager in Azure Cloud Networking, leading the Azure Host Networking Team. I was responsible for the development of our virtual switch and our first generation FPGA-based SmartNIC for networking acceleration.

Sep 2015 - Sep 2021

Senior Software Engineering Manager - Azure Host Networking Team

Redmond, Washington, Us

I created the Azure Host Networking team, starting with engineers I'd been previously mentoring as the technical lead for our SDN datapath.

Mar 2014 - Aug 2015

Software Engineer

Redmond, Washington, Us

I developed the Azure Virtual Filtering Platform, as well as offloads and RDMA platform. Much of the later development of the host networking team was built on this work I did as the original IC on the team.

Sep 2011 - Mar 2014

Software Development Engineer Intern

Redmond, Washington, Us

I was a SWE intern on the Windows TCP/IP team. I worked on packet sampling, network monitoring and analysis for Windows Server, in collaboration with Bing and Windows Azure, building a packet sampling driver and a collector and analysis tool.I was also an intern at Microsoft from June-September 2009 on Microsoft App-V filesystem team, working on the Application Virtualization filesystem driver.

Jun 2010 - Sep 2010

Research Intern

Ibm

Armonk, New York, Ny, Us

I was a SWE intern with IBM Research's Next Generation Distributed Computing group. I developed a proof of concept application for monitoring and routing automobile traffic using IBM's stream processing platform, System S.I was also an intern at IBM Research from May-August 2007, working on wireless security.

May 2008 - Aug 2008
Team & coworkers

Colleagues at Microsoft

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2 education records

Daniel Firestone education

Computer Science And Engineering

Massachusetts Institute Of Technology

Education record

Yeshiva Of Flatbush
FAQ

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What company does Daniel Firestone work for?

Daniel Firestone works for Microsoft.

What is Daniel Firestone's role at Microsoft?

Daniel Firestone is listed as Partner Engineering Director, Azure Host Networking and Hardware Acceleration at Microsoft.

What is Daniel Firestone's email address?

AeroLeads has found 2 work email signals at @microsoft.com for Daniel Firestone at Microsoft.

What is Daniel Firestone's phone number?

AeroLeads has found 2 phone signal(s) with area code 917, 503 for Daniel Firestone at Microsoft.

Where is Daniel Firestone based?

Daniel Firestone is based in Seattle, Washington, United States while working with Microsoft.

What companies has Daniel Firestone worked for?

Daniel Firestone has worked for Microsoft and Ibm.

Who are Daniel Firestone's colleagues at Microsoft?

Daniel Firestone's colleagues at Microsoft include Anand Rajeswaran, Sameer Poudwal, Ryan Sand, Wild Animal, and 航平 🇯🇵森田.

How can I contact Daniel Firestone?

You can use AeroLeads to view verified contact signals for Daniel Firestone at Microsoft, including work email, phone, and LinkedIn data when available.

What schools did Daniel Firestone attend?

Daniel Firestone holds Computer Science And Engineering from Massachusetts Institute Of Technology.

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