More about Vishal Rewari

Vishal is a digital product growth expert and has worked with likes of Housing, Deloitte, McKinsey and on 25+ strategic projects and created an impact for $300M+. 

He currently runs firm Optiblack, a Product Growth firm, they are experts in designing, building and optimising digital products. His firm creates websites, mobile apps, SaaS and commerce solutions for ambitious organisations investing in growth and digital transformation. They do that by finding the sweetspot between business need and customer demand, fusing insight, creativity and technology to build products that create value. 

They are trusted to deliver by some of the world’s best-known brands.

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Featured speaker at previous eChai events:
eChai Startup Pickleball Night in Ahmedabad
Ahmedabad SaaS Meetup
Ahmedabad SaaS Meetup
Product Growth Meetup in Ahmedabad
Founders and startup folks who joined past eChai startup events

The eChai Effect - In Their Words

"At DevX.Work, we’ve greatly benefited from our association with eChai. Their events and networking forums have connected us with high-potential startups, ecosystem leaders, and innovation-driven professionals — many of whom have become valuable partners, collaborators, and even clients. What stands out most is the openness and accessibility of the community — whether you're an early-stage founder or an experienced entrepreneur, eChai provides a welcoming space to learn, collaborate, and grow. It's more than just a network — it's a catalyst for real, collaborative growth. We’re proud to be part of the eChai community. Highly recommended for any organization aiming to grow within the startup space."
Umesh Uttamchandani - Co-Founder, DevX
Umesh Uttamchandani
Co-Founder, DevX
"eChai has been a game-changer for Hungrito, providing us with invaluable connections, insights, and opportunities that have significantly fueled our growth. eChai has introduced us to a global network of entrepreneurs and experts, fueling our growth and opening doors to new opportunities from Ahmedabad to Dubai. The community has become like a second family to us, providing support, guidance, and valuable insights as startup entrepreneurs."
Sahil Shah - Founder- Hungrito & Netsavvies. Digital Marketing Evangelist
Sahil Shah
Founder- Hungrito & Netsavvies. Digital Marketing Evangelist
"I have evolved from role of Community Builder to Startup Consultant to Startup Ecosystem Enabler to Angel Investor and now launching a Venture Studio and eChai has been a catalyst in my overall journey as Startup Evangelist since 13 years."
Mehul Shah - Co-Founder at Counselvise & Ivy Growth
Mehul Shah
Co-Founder at Counselvise & Ivy Growth

eChai Partner Brands

eChai Ventures partners with select brands as their growth partner - working together to explore new ideas, open doors, and build momentum across the startup ecosystem.