Cesar Toscano
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Cesar Toscano Email & Phone Number

Builds digital treatments. Helped build 1st FDA-cleared app for IBS. Previously in Ad Tech, Engineering at tech startups acquired by LinkedIn, AVG, & CreditKarma. MIT grad. at Weller Labs
Location: San Francisco, California, United States 13 work roles 2 schools
1 work email found @bab.as 3 phones found area 619 and 617 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email e****@bab.as
Direct phone (619) ***-****
LinkedIn Profile matched
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Current company
Role
Builds digital treatments. Helped build 1st FDA-cleared app for IBS. Previously in Ad Tech, Engineering at tech startups acquired by LinkedIn, AVG, & CreditKarma. MIT grad.
Location
San Francisco, California, United States

Who is Cesar Toscano? Overview

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Quick answer

Cesar Toscano is listed as Builds digital treatments. Helped build 1st FDA-cleared app for IBS. Previously in Ad Tech, Engineering at tech startups acquired by LinkedIn, AVG, & CreditKarma. MIT grad. at Weller Labs, based in San Francisco, California, United States. AeroLeads shows a work email signal at bab.as, phone signal with area code 619, 617, and a matched LinkedIn profile for Cesar Toscano.

Cesar Toscano previously worked as CEO & Founder at Weller Labs and Health and well-being at Career Break. Cesar Toscano holds Bs, Finance, Economics - Focus On Entrepreneurial Finance And Marketing from Massachusetts Institute Of Technology.

Company email context

Email format at Weller Labs

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*@bab.as
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AeroLeads found 1 current-domain work email signal for Cesar Toscano. Compare company email patterns before reaching out.

Profile bio

About Cesar Toscano

Cesar Toscano is a Builds digital treatments. Helped build 1st FDA-cleared app for IBS. Previously in Ad Tech, Engineering at tech startups acquired by LinkedIn, AVG, & CreditKarma. MIT grad. at Weller Labs. He possess expertise in analytics, product management, start ups, management, strategy and 5 more skills. He is proficient in Portuguese. Colleagues describe him as "Cesar is an innovative and hard-working developer, who picks up new technologies effortlessly. His intuition and communication style cuts complex problems down to their simple core. I would work with him again in a second."

Listed skills include Analytics, Product Management, Start Ups, Management, and 6 others.

Current workplace

Cesar Toscano's current company

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Weller Labs
Weller Labs
Builds digital treatments. Helped build 1st FDA-cleared app for IBS. Previously in Ad Tech, Engineering at tech startups acquired by LinkedIn, AVG, & CreditKarma. MIT grad.
AeroLeads page
13 roles

Cesar Toscano work experience

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

Ceo & Founder

Current

Weller Labs is the simplest way to build, validate, and distribute digital behavioral treatments. Our treatment development platform lets clinicians and researchers build, iterate, and maintain ownership over their IP. Our founding team has helped design and build 5 digital therapeutics, including 2 treatments cleared by the FDA.

Mar 2024 - Present

Health And Well-Being

Career Break

I was fortunate to be able to take this time to explore hobbies, nurture friendships, and develop community. I am forever changed, and forever grateful for this time, the experiences, and the friends I've been able to share them with.* Learned to Paraglide * Rated P2, met flight requirements for P3 * Longest flight: 1:56, Distance Covered: 51.5 km*.

Jun 2020 - Dec 2023

Director Of Engineering

San Francisco, California, US

Head of Web Products. Responsible for gathering requirements and designs for our web treatments and internal tools. Coordinated work between front end, back end, design, content, infrastructure, and QA.

Apr 2020 - May 2020

Senior Software Engineer

San Francisco, California, US

Mahana is creating apps to seek FDA approval to be prescribed as treatment for chronic illness. Defined process for building software within a quality management system. GDPR and HIPAA compliance. Tech Stack: TypeScript, NestJS, TypeORM, Postgraphile, Postgres, Webpack, React, GraphQL, Tachyons. We are hiring.

Aug 2018 - Mar 2020

Cto

Torrance, CA, US

Assisted owner during management transition.

May 2017 - Aug 2017

Director Of Engineering

San Francisco, California, US

Acquired by Credit Karma.Worked with clients to understand their business and advise on the use of technology to improve business process. I also build web and mobile applications along with our team of engineers and designers.

Jan 2016 - May 2017

Corporate Development Lead, Software Engineer, Consultant

Stacklead
  • Acquired by LinkedIn.StackLead automatically researches sales leads. StackLead was in the Y Combinator winter 2014 batch. StackLead gathers data from thousands of sources and combines to provide a complete profile of a.
  • Originated and shepherded the deal to acquire the company.
  • Primary contact with the acquirer until the term sheet was offered.
  • Built Chrome extension to integrate product with LinkedIn.
Jun 2014 - Oct 2014

Co-Founder, Product And Technical Lead

Membright
  • Designed and developed an educational technology product that helps professionals learn and retain industry knowledge.
  • Used Qwaya and Mixpanel for ad spend optimization on Facebook Ads.
  • Built hybrid mobile app and web app using JavaScript, AngularJS, Ionic, Cordova / PhoneGap.
  • Built backend using Python, Django, Tastypie, integrated with Facebook Connect and a custom content manager.
  • Integrated Mixpanel with custom tracking and statistics.
Sep 2013 - May 2014

Director Of Engineering, Platform Stats & Analytics

Avg

Prague, CZ

  • Primarily supported the Search Platform’s online software distribution, funnel analysis, A/B testing, and infrastructure
  • Re-designed stats collection and reporting to enable SOX Compliance, auditing, globally distributed clusters, new reporting, increasing capacity by a factor of 10, reduced report generation time to seconds from several.
  • Primarily responsible for growing and engineering and design team from 2 to 22, largely composed of MIT graduates and San Francisco Academy of Art students. I was directly involved with finding, recruiting, onboarding.
  • Introduced new technology to the company; Django, MongoDB for quick prototyping, Chef for provisioning, and GIT DVC.
  • Created the framework for prioritizing and onboarding new publishers, advertisers. Defined levels of service, customization. Communicated platform capabilities, constraints, and opportunities to stakeholders, including.
  • Migrated infrastructure from Rackspace to AVG, balancing uptime, supported technology, and change management.
Jan 2012 - Sep 2013

Senior Software Engineer

Acquired by AVG Technologies

Jun 2011 - Jan 2012

Senior Software Engineer

Ad Consulting

Designed and developed an analytics tracking system currently tracking over 1B impressions per day. Increased potential ad serving capacity by 50 to 75%. Developed auction web site managing over 65M impressions per day.

Jun 2010 - Oct 2011

Co-Founder, Ceo

Slique, Inc.
Jul 2007 - Jun 2011

Product Design And Development

Icap Technologies
Jun 2005 - Dec 2006
2 education records

Cesar Toscano education

Bs, Finance, Economics - Focus On Entrepreneurial Finance And Marketing

Massachusetts Institute Of Technology

Bs, Finance, Economics - Focus On Entrepreneurial Finance And Marketing

Mit Sloan School Of Management
FAQ

Frequently asked questions about Cesar Toscano

Quick answers generated from the profile data available on this page.

What company does Cesar Toscano work for?

Cesar Toscano works for Weller Labs.

What is Cesar Toscano's role at Weller Labs?

Cesar Toscano is listed as Builds digital treatments. Helped build 1st FDA-cleared app for IBS. Previously in Ad Tech, Engineering at tech startups acquired by LinkedIn, AVG, & CreditKarma. MIT grad. at Weller Labs.

What is Cesar Toscano's email address?

AeroLeads has found 1 work email signal at @bab.as for Cesar Toscano at Weller Labs.

What is Cesar Toscano's phone number?

AeroLeads has found 3 phone signal(s) with area code 619, 617 for Cesar Toscano at Weller Labs.

Where is Cesar Toscano based?

Cesar Toscano is based in San Francisco, California, United States while working with Weller Labs.

What companies has Cesar Toscano worked for?

Cesar Toscano has worked for Weller Labs, Career Break, Mahana Therapeutics, Sre.Com, and Bitmatica.

How can I contact Cesar Toscano?

You can use AeroLeads to view verified contact signals for Cesar Toscano at Weller Labs, including work email, phone, and LinkedIn data when available.

What schools did Cesar Toscano attend?

Cesar Toscano holds Bs, Finance, Economics - Focus On Entrepreneurial Finance And Marketing from Massachusetts Institute Of Technology.

What skills is Cesar Toscano known for?

Cesar Toscano is listed with skills including Analytics, Product Management, Start Ups, Management, Strategy, Entrepreneurship, Strategic Partnerships, and Advertising.

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