Nick Caldwell

Leader for a cross functional team of more than 2000 brilliant individuals responsible for Twitter's core engineering platform and services. Managed a $1.3B budget. Responsible for IT, InfoSec, multiple data centers, core APIs, computer/storage/caching, machine learning platform, and shared design library.

Lead a talented team of 700 engineers responsible for all consumer-facing Twitter products. These include the website and mobile experiences, all feeds, discovery/search/recommendations, and trust-and-safety engineering.

Notable experiences included: acquiring and integrating more than 7 consumer startups, Twitter Spaces, Community Notes, Twitter Blue (VIP Program), the Edit Button, and an AI-powered feed.

General Manager for Power BI, Microsoft's premier business intelligence suite. Oversaw a 300 engineer/PM organization with multiple products for desktop, SaaS, mobile, and embedded BI. Our mission was to quickly become the world’s most recognizable, capable, and frequently used modern business intelligence solution. Rapidly grew a portfolio of products and teams from inception to delivery.

Founding team member for Power BI, one of Microsoft's fastest growing products. Lead a 150+ person engineering organization for PowerBI.com. Our goal is to disrupt and transform the business intelligence category by quickly delivering a beautiful and engaging SaaS experience to millions of users.

Development manager for the SQL BI New Experience Team. Staffed and lead a V1 team of 35 developers to create next-generation business intelligence experiences. Brings together many technologies including natural language search, interactive data visualizations, mobile, and web services.

Projects include:
InfoNav - access BI reports using the power of natural language and interactive data visualization
Mobile BI "Helix" - mobile access to BI reports on Win8 and iOS

Lead a team of talented software engineers and contractors in support of several projects involving machine learning, natural language processing, data mining, enterprise search, text analytics, and artificial intelligence techniques. Responsibilities include project leadership, technical strategy, recruiting/staffing, and partner team engagement. Shipped features and text analysis components across Office, SharePoint, Exchange, Windows, Bing, MSN, and Windows Phone.

Example… Show more

Lead a team of talented software engineers and contractors in support of several projects involving machine learning, natural language processing, data mining, enterprise search, text analytics, and artificial intelligence techniques. Responsibilities include project leadership, technical strategy, recruiting/staffing, and partner team engagement. Shipped features and text analysis components across Office, SharePoint, Exchange, Windows, Bing, MSN, and Windows Phone.

Example projects:
"Huddle" - exploration of next generation project management tools integrated into SharePoint. Organized and lead a team consisting of developers, testers, computational linguists, usability engineers, and researchers. Won several internal awards and had multiple review meetings with Microsoft executive leadership (Ray Ozzie, Stephen Elop, Kurt DelBene).

Mailbox Intelligence - Architecture for performing advanced text analysis on Exchange 2012. Includes information extraction methods for contact information, meeting requests, keywords, question/answer pairs, and task assignments.

SharePoint Site Mailbox - provide SharePoint sites a shared mail repository backed by Exchange.

Excel Voice Commands - prototype Excel add-in that allows for the import of data as well chart creation and manipulation using natural language commands. Show less

Speech and Natural Language Group. Shipped several features related to proofing tools,statistical natural language processing, and search. The most well-known is the engine code for the spellchecker which is now used across most Microsoft products in more than 40 languages.

Example projects:
Spellchecking / thesaurus - Designed and implemented a framework for language-scalable orthographic spellcheckers. Now used daily in 40+ languages by hundreds of millions of… Show more

Speech and Natural Language Group. Shipped several features related to proofing tools,statistical natural language processing, and search. The most well-known is the engine code for the spellchecker which is now used across most Microsoft products in more than 40 languages.

Example projects:
Spellchecking / thesaurus - Designed and implemented a framework for language-scalable orthographic spellcheckers. Now used daily in 40+ languages by hundreds of millions of users

Contextual Spellchecker - Language-model based statistical spellchecker, ships in Word 2003 and later.

Expertise Tagging - SharePoint service analyzes a user’s document collection and sent mail to automatically determine their area of expertise

"Did You Mean?" - Query spelling correction in low-traffic scenarios. Uses a lexicon generated from search-index data to provide search query completion and correction.

Appointment Wizard - prototype Outlook add-in enabling users to create and alter calendar items with natural language commands. Show less

Interned in the Natural Language Group
- "Pivot Table Wizard" which enabled spoken natural language commands to be used for manipulating Excel pivot tables.

Interned in the Direct3D Group
- Optimized “Unreal Warfare” 3d game engine
- Developed OpenGL emulator using DirectX under Windows XP
- Worked on OpenGL shim for app compatibility