Cto In Residence
Current
Oct 2023 - Present
AeroLeads people directory · profile
Bill Maccartney Email & Phone Number
Learning and exploring. Previously VP ML at Cohere, Director at Apple.
at
SignalFire
1 work email found
@apple.com
2 phones found area 415
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Learning and exploring. Previously VP ML at Cohere, Director at Apple.
Location
Palo Alto, California, United States
Who is Bill Maccartney? Overview
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Quick answer
Bill Maccartney is listed as Learning and exploring. Previously VP ML at Cohere, Director at Apple. at SignalFire, based in Palo Alto, California, United States. AeroLeads shows a work email signal at apple.com, phone signal with area code 415, and a matched LinkedIn profile for Bill Maccartney.
Bill Maccartney previously worked as CTO in Residence at Signalfire and Fellow at Ai Fund. Bill Maccartney holds Ph.D., Computer Science from Stanford University.
Company email context
Email format at SignalFire
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{first_initial}{last}@apple.com
86% confidence
AeroLeads found 1 current-domain work email signal for Bill Maccartney. Compare company email patterns before reaching out.
Profile bio
About Bill Maccartney
I'm taking a break, learning, and exploring. I previously served as VP of Machine Learning at Cohere, leading a team of 50+ scientists and engineers in building large language models to help computers understand language. I am also a Consulting Professor of Computer Science at Stanford University. I was previously Director of Proactive Intelligence at Apple, Managing Director at BlackRock, and Senior Research Scientist at Google.
Listed skills include Natural Language Processing, Machine Learning, Artificial Intelligence, Computational Linguistics, and 28 others.
Current workplace
Bill Maccartney's current company
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11 roles · 27 years
Bill Maccartney work experience
A career timeline built from the work history available for this profile.
Fellow
Current
Sep 2023 - Present
Consulting Professor Of Computer Science
CurrentTaught CS224U: Natural Language Understanding, a grad-level class with an enrollment of 200+.
Jan 2010 - Present
Vp Of Machine Learning
Led a team of 50+ machine learning scientists and engineers in building large language models and using them to solve real-world problems.
Oct 2021 - Dec 2022
Director, Proactive Intelligence
Led a group of 120+ scientists and engineers in developing models for predicting user intentions and actions. Directed teams for QuickType, QuickPath, Shortcuts, Siri Suggestions, and Siri Found In features.
Apr 2016 - Oct 2021
Managing Director
Built a team of world-class researchers in natural language processing (NLP) and machine learning. Led research on applying text analysis and deep learning methods to quantitative investing.
Mar 2015 - Apr 2016
Senior Research Scientist
Developed statistical models for natural language understanding (NLU) in Google Now and Search. Created model for interpreting local and directions queries (15% of all voice queries, 10+ languages). Co-founded team to build Google’s first cross-product user model. Grew team to 50+ in one year.
Feb 2010 - Mar 2015
Senior Research Scientist
Developed models and algorithms for semantic analysis of text. Aardvark was acquired by Google. Co-authored patent US8935192, “Social search engine”.
Apr 2009 - Feb 2010
Researcher
Developed algorithms for distributed inferencing over large knowledge bases.
Jun 2002 - Sep 2003
Cofounder & Vp Production
Sayit
Co-founded web startup focused on user-generated creative content. Raised $5.3M from Softbank. Assembled team of 35 in one year. Built website in four months. Top 250 by traffic within three months.
1999 - 2000
~1 yr
Quant/Trader
Developed and executed quantitative trading strategies. Built computational models for trade analysis. Held primary responsibility for Japan fixed income portfolio: JGBs, futures, swaps, other derivatives.
Jan 1996 - Nov 1998
3 education records
Bill Maccartney education
Ph.D., Computer Science
Stanford University
Philosophy
Goethe University Frankfurt
A.B., Philosophy
Princeton University
FAQ
Frequently asked questions about Bill Maccartney
Quick answers generated from the profile data available on this page.
What company does Bill Maccartney work for?
Bill Maccartney works for SignalFire.
What is Bill Maccartney's role at SignalFire?
Bill Maccartney is listed as Learning and exploring. Previously VP ML at Cohere, Director at Apple. at SignalFire.
What is Bill Maccartney's email address?
AeroLeads has found 1 work email signal at @apple.com for Bill Maccartney at SignalFire.
What is Bill Maccartney's phone number?
AeroLeads has found 2 phone signal(s) with area code 415 for Bill Maccartney at SignalFire.
Where is Bill Maccartney based?
Bill Maccartney is based in Palo Alto, California, United States while working with SignalFire.
What companies has Bill Maccartney worked for?
Bill Maccartney has worked for Signalfire, Ai Fund, Stanford University, Cohere, and Apple.
How can I contact Bill Maccartney?
You can use AeroLeads to view verified contact signals for Bill Maccartney at SignalFire, including work email, phone, and LinkedIn data when available.
What schools did Bill Maccartney attend?
Bill Maccartney holds Ph.D., Computer Science from Stanford University.
What skills is Bill Maccartney known for?
Bill Maccartney is listed with skills including Natural Language Processing, Machine Learning, Artificial Intelligence, Computational Linguistics, Text Analytics, Information Retrieval, Data Mining, and Text Mining.
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