Kallol Sil – Whizhack Technologies
View Detailed Executive Profile →Professional Overview
- Kallol Sil is the Co-Founder and CEO of WhizHack Technologies Pvt. Ltd., a role commenced in October 2020, leading the company towards innovative solutions in technology.
- In addition to the role at WhizHack, Kallol Sil serves as an Investor and Advisor for Unicloud, starting in October 2019, indicating a commitment to nurturing new ventures and providing strategic guidance.
- Prior to WhizHack, Kallol Sil held the position of Chief Executive Officer at COMPAREX India Pvt. Ltd. from July 2018 to October 2019, showcasing leadership in the technology sector.
- During tenure at Ernst & Young LLP from December 2016 to June 2018, Kallol Sil was a Director & National Business Development Leader, focusing on expanding the firm’s business footprint.
- Kallol Sil spent several years at Microsoft in various roles including Sales Director and Regional Director from July 2005 to December 2013, demonstrating significant experience in sales and strategic account management.
- As Corporate Sales Business Head at Microsoft, contributed to expanding corporate accounts and developing key client relationships, positively impacting revenue growth.
- Initial career experiences included roles at CA Technologies and Tata Unisys Ltd., where Kallol Sil developed foundational skills in sales and marketing, eventually progressing to leadership positions.
- Throughout the career, Kallol Sil has exhibited a pattern of taking on increasingly responsible roles, reflecting expertise in business development and technology solutions.
Professional Experience
| Company | Designation | Period |
|---|---|---|
| Tata Unisys Ltd. | Group Leader | Sep 1995 – May 1999 |
| Microsoft | Breadth Account Manager | Oct 1999 – Jun 2001 |
| CA Technologies | Channel Sales Manager | May 1999 – Oct 1999 |
| COMPAREX India Pvt. Ltd. | Chief Executive Officer | Jul 2018 – Oct 2019 |
| Microsoft | Sales Director - Consulting Services, India | Jul 2013 – Dec 2016 |
| Microsoft | Regional Director - Mid Market & SMB | Jul 2010 – Jun 2013 |
| Microsoft | Sales Director - Enterprise and Partner Group | Jul 2007 – Jun 2010 |
| Microsoft | Corporate Sales Business Head - Corporate Accounts | Jul 2005 – Jun 2007 |
| Microsoft | Licensing Sales Manager | Jul 2004 – Jun 2005 |
| Microsoft | Corporate Account Manager | Jul 2001 – Jun 2004 |
| Sonata Software | Marketing Executive | Feb 1993 – May 1995 |
| Ernst & Young LLP | Director & National Business Development Leader | Dec 2016 – Jun 2018 |
| WhizHack Technologies Pvt. Ltd. | Co-Founder and CEO | Oct 2020 – Present |
| Unicloud. | Investor and Advisor | Oct 2019 – Present |
Estimated Net Worth
Estimated Range: ₹0 – ₹1000+ Cr (approx. $0 – $120M+)
Based on publicly accessible filings, industry benchmarks, and leadership compensation patterns.
Executive Contact
Official Email: Via Whizhack Technologies corporate communication desk.
Personal Contact: Not publicly disclosed.
Frequently Asked Questions
What is Kallol Sil's net worth?
Estimated ₹0 – ₹1000+ Cr (approx. $0 – $120M+).
How can I contact them?
Through Whizhack Technologies's official communication channels.
Is this an official profile?
No — independently created using public data.
Disclaimer
This profile is created for general informational purposes. All details are based on publicly accessible information and independent research. While accuracy is prioritized, content may not always reflect the latest updates.
Nothing here should be interpreted as investment, financial, or legal advice. The individual featured has not authored or endorsed this profile.
Personal information is intentionally withheld. For official matters, please use formal communication channels associated with the respective organization.
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Last Updated: December 2025 · Published by Affluense AI (affluense.ai)