Company Details
Technology Stack
Professional Summary
Reed Zhao is Co-Founder, CTO at HouseSigma. HouseSigma operates in the information technology & services industry and has 160 employees. Based in Toronto, Ontario, Canada. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Sendgrid, Gmail, Google Apps, MailChimp SPF, DigitalOcean, and 15 other technologies.
Position in the CTO Rank Database
- • Typical CTO compensation in Ontario: $250,000 – $650,000 (median $420,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.
Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.
Frequently Asked Questions
How do I contact Reed Zhao?
Reed Zhao has a verified email address on file on CTO Rank. They work at HouseSigma. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Reed Zhao work for?
Reed Zhao is Co-Founder, CTO at HouseSigma, a company in the information technology & services industry with 160 employees. The company is headquartered in Markham, Ontario, Canada.
What is Reed Zhao's role in technology leadership?
Reed Zhao is classified as a CTO leader at the c-suite level.
What technologies does Reed Zhao's organization use?
Reed Zhao's organization uses a technology stack that includes Sendgrid, Gmail, Google Apps, MailChimp SPF, DigitalOcean, Mobile Friendly. This information is useful for sales teams, recruiters, and technology vendors.
Is Reed Zhao open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Reed Zhao using the verified contact information available to Pro members. When recruiting a Co-Founder, CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Reed Zhao at HouseSigma?
Reed Zhao is Co-Founder, CTO at HouseSigma. CTOs like Reed Zhao typically evaluate vendors in Sendgrid, Gmail, Google Apps, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Reed Zhao's profile data?
CTO Rank verifies and refreshes profile data weekly. Reed Zhao's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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