Cto
Current
Aug 2024 - Present
AeroLeads people directory · profile
Mark Schaaf Email & Phone Number
CTO @ Grammarly
at
Grammarly
2 work emails found
@instacart.com
5 phones found area 415, 650, 917, and 866
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Who is Mark Schaaf? Overview
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Quick answer
Mark Schaaf is listed as CTO @ Grammarly at Grammarly, based in San Francisco, California, United States. AeroLeads shows a work email signal at instacart.com, phone signal with area code 415, 650, 917, 866, and a matched LinkedIn profile for Mark Schaaf.
Mark Schaaf previously worked as CTO at Grammarly and Member Board of Directors at Hippo Insurance. Mark Schaaf holds Bs from University Of Notre Dame.
Company email context
Email format at Grammarly
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{first_initial}{last}@instacart.com
89% confidence
AeroLeads found 2 current-domain work email signals for Mark Schaaf. Compare company email patterns before reaching out.
Profile bio
About Mark Schaaf
Mark Schaaf is a CTO @ Grammarly at Grammarly. He possess expertise in software design, software development, scalability, big data, start ups and 17 more skills.
Listed skills include Software Design, Software Development, Scalability, Big Data, and 18 others.
Current workplace
Mark Schaaf's current company
Company context helps verify the profile and gives searchers a useful next step.
10 roles · 29 years
Mark Schaaf work experience
A career timeline built from the work history available for this profile.
Member Board Of Directors
Current
Jul 2023 - Present
Dec 2022 - Dec 2023
Chief Technology Officer
Responsible for overall engineering, operations, data science, IT, Caper, and security at Instacart.
Sep 2018 - Sep 2022
Cto & Vp Engineering
Responsible for overall engineering, operations, IT, and security at Thumbtack.
Feb 2015 - Sep 2018
Senior Engineering Director
Led mobile display ads engineering at Google. Integrated the AdMob network into AdWords and Display. Built and grew a strong engineering team focused on serving infrastructure, ads quality, frontends, sdks, rich media tools, stats pipelines. Grew the business to >$2B.Also worked in payments, leading the consumer and merchant products including: Google Wallet, NFC tap and pay, instant buy (one click buy button), and other consumer and merchant infrastructure.
2010 - 2015
~5 yrs
Senior Engineering Director
Third employee at AdMob. Built and led the software engineering team: ad serving infrastructure, ads quality, data pipelines, website, mobile SDKs. Helped grow traffic 220x to >1B ad requests/day.AdMob was acquired by Google for $750M in May 2010, Google's 3rd largest acquisition at the time.
2006 - 2010
~4 yrs
Co-Founder
Co-founded startup that was an evite competitor. Raised some angel funding, but wasn't able to achieve significant traction.
2005 - 2006
~1 yr
Senior Engineering Manager
Joined Plumtree when it was less than 30 people. Plumtree grew to >400 people and went public in 2002. At Plumtree led engineering teams for crawling and indexing infrastructure, a content management product, and worked on the portal frontend. Also helped start the European business.
1999 - 2005
~6 yrs
1998 - 1999
~1 yr
1 education record
Mark Schaaf education
-
University Of Notre Dame
FAQ
Frequently asked questions about Mark Schaaf
Quick answers generated from the profile data available on this page.
What company does Mark Schaaf work for?
Mark Schaaf works for Grammarly.
What is Mark Schaaf's role at Grammarly?
Mark Schaaf is listed as CTO @ Grammarly at Grammarly.
What is Mark Schaaf's email address?
AeroLeads has found 2 work email signals at @instacart.com for Mark Schaaf at Grammarly.
What is Mark Schaaf's phone number?
AeroLeads has found 5 phone signal(s) with area code 415, 650, 917, 866 for Mark Schaaf at Grammarly.
Where is Mark Schaaf based?
Mark Schaaf is based in San Francisco, California, United States while working with Grammarly.
What companies has Mark Schaaf worked for?
Mark Schaaf has worked for Grammarly, Hippo Insurance, Retool, Instacart, and Thumbtack.
How can I contact Mark Schaaf?
You can use AeroLeads to view verified contact signals for Mark Schaaf at Grammarly, including work email, phone, and LinkedIn data when available.
What schools did Mark Schaaf attend?
Mark Schaaf holds Bs from University Of Notre Dame.
What skills is Mark Schaaf known for?
Mark Schaaf is listed with skills including Software Design, Software Development, Scalability, Big Data, Start Ups, Algorithms, Software Engineering, and Shredding.
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