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Aharon Lis

Chief Technology Officer at Sieff Optometrists Incorporated

CTO C-Suite
a***@sieffoptom.co.za Sign up
Pro only
Pro only
Johannesburg, Gauteng, South Africa
sieffoptom.co.za

Company Details

Company: Sieff Optometrists Incorporated
Industry: medical practice
Employees: 9
HQ Location: Johannesburg, Gauteng, South Africa
Company LinkedIn: Pro only

Technology Stack

Google Cloud Hosting Shutterstock Mobile Friendly Wix Varnish Render Data Analytics AI Android Laravel React Native Node.js

Professional Summary

Aharon Lis is Chief Technology Officer at Sieff Optometrists Incorporated. Sieff Optometrists Incorporated operates in the medical practice industry and has 9 employees. Based in Johannesburg, Gauteng, South Africa. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Google Cloud Hosting, Shutterstock, Mobile Friendly, Wix, Varnish, and 7 other technologies.

Industry & Role Insights

  • • CTO Rank tracks 138,833 CTO leaders with verified contact information.
  • • There are 450 tech leaders in the medical practice industry in our database.
  • • We have verified contacts for 2 tech leaders at Sieff Optometrists Incorporated.
  • • 1,257 tech leaders in Gauteng are available in our database.
C-Suite level · CTO
Verified Apr 30, 2026

Position in the CTO Rank Database

  • • Aharon Lis is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
  • • 224 hold the CTO role at medical practice companies (out of 456 total medical practice leaders in our database).
  • • 493 hold the CTO role in Gauteng.
  • • 3,199 hold the CTO role at companies with 9 employees.
  • • Typical CTO compensation in Gauteng: $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 May 2026.

Frequently Asked Questions

How do I contact Aharon Lis?

Aharon Lis has a verified email address on file on CTO Rank. They work at Sieff Optometrists Incorporated. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Aharon Lis work for?

Aharon Lis is Chief Technology Officer at Sieff Optometrists Incorporated, a company in the medical practice industry with 9 employees. The company is headquartered in Johannesburg, Gauteng, South Africa.

What is Aharon Lis's role in technology leadership?

Aharon Lis is classified as a CTO leader at the c-suite level.

What technologies does Aharon Lis's organization use?

Aharon Lis's organization uses a technology stack that includes Google Cloud Hosting, Shutterstock, Mobile Friendly, Wix, Varnish, Render. This information is useful for sales teams, recruiters, and technology vendors.

Is Aharon Lis open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Aharon Lis using the verified contact information available to Pro members. When recruiting a Chief Technology Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Aharon Lis at Sieff Optometrists Incorporated?

Aharon Lis is Chief Technology Officer at Sieff Optometrists Incorporated. CTOs like Aharon Lis typically evaluate vendors in Google Cloud Hosting, Shutterstock, Mobile Friendly, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Aharon Lis's profile data?

CTO Rank verifies and refreshes profile data weekly. Aharon Lis's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.