Eytan Wiener

VC/Angel Investor and Advisor | Built and Sold 4 eCommerce Businesses

📍 New York City Metropolitan Area, United States🔄 Updated September 2026💼 5 investments📅 4 years investing🗓 Last invested Jan 2026𝕏 @upgrade_to_unlock
VC🌍 United StatesInvested this year
5
Total investments
1
Early stage
1
Mid stage
2
Late stage
4y
Years active

Portfolio

5 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor and Strategic Advisor
Jan 2026
SellCord is a full-service agency that specializes in launching and scaling brands on Walmart.com. As a Walmart approved partner agency, SellCord has a proven track record of success in helping brands reach their full potential on the worlds largest retailer. SellCord provides a comprehensive suite of services designed to help brands succeed on Walmart.com. From product listing optimization to marketing and advertising, SellCord has the expertise and resources needed to help brands stand out in a crowded marketplace.
Investor/Advisor
Sep 2025
Sync all your eCommerce marketplace data to QuickBooks or Xero and get clear about your profits! * P&Ls At Your Fingertips * Precise SKU Level Profitability * Inventory Tracking and Valuation * Seamless Integrations * Numbers in Minutes * Settlement Sync * Bank-ready Financials * Tax Filing Made Simple * 100% Accurate Books
late stageAccounting
Investor
Feb 2024
At Ampd, we’re powering smarter data connections for confident activation and stronger media outcomes. Turn your paid offsite media into measurable impact for commerce growth.
Investor and Advisory Board
Aug 2023
MarketSpark is the leading provider of analog replacement solutions for the enterprise. Our cloud-enabled platform helps companies escape from the world of yesterday and prepare for the world of tomorrow by replacing static, costly copper telephone lines (POTS) with a managed wireless solution that is 5G ready. MarketSpark is the only MSP in the telecom space purpose built to handle analog line replacement on a global scale. Whether retrofitting or building new, we give our customers a platform for growth. Oh, and the ROI is immediate. No upfront cost, no hardware cost, no hidden fees, just one low per line fee and one vendor to manage all your wireless providers. Currently working with 36 of the Fortune 100 including some of the countrys largest retailers thanks to our turn-key solution and the complete visibility into all their life safety and operational systems we provide. www.marketspark.com
Investor and Advisory Board
Feb 2022
At NewPhotonics® we design innovative photonics products like the award winning LPO+™ chip with all-optical signal processing for power reduction and improved bandwidth capacity for AI-era data centers. Our highly integrated design delivers volume silicon photonics chips with reliability, eliminating bottlenecks for optical compute in AI workloads. We develop photonic ICs for pluggable and co-packaged optics chip solutions that continuously push the boundaries of photonics technology. We are driving new standards in energy efficiency for AI data processing and transmission. Join us on our journey as we seek dedicated and highly skilled professionals to be a part of #TeamNP in the silicon photonics revolution for data center interconnect.
Experience · 10 entries
All (10)
Investments (5)
Founder (3)
2026
Investor and Strategic Advisor
Jan 2026
SellCord is a full-service agency that specializes in launching and scaling brands on Walmart.com. As a Walmart approved partner agency, SellCord has a proven track record of success in helping brands reach their full potential on the worlds largest retailer. SellCord provides a comprehensive suite of services designed to help brands succeed on Walmart.com. From product listing optimization to marketing and advertising, SellCord has the expertise and resources needed to help brands stand out in a crowded marketplace.
2025
Investor/Advisor
Sep 2025
Sync all your eCommerce marketplace data to QuickBooks or Xero and get clear about your profits! * P&Ls At Your Fingertips * Precise SKU Level Profitability * Inventory Tracking and Valuation * Seamless Integrations * Numbers in Minutes * Settlement Sync * Bank-ready Financials * Tax Filing Made Simple * 100% Accurate Books
late stageAccounting
2024
Potentiate Ventures
Founder and Managing Partner
Sep 2024
early stage
Investor
Feb 2024
At Ampd, we’re powering smarter data connections for confident activation and stronger media outcomes. Turn your paid offsite media into measurable impact for commerce growth.
2023
Investor and Advisory Board
Aug 2023
MarketSpark is the leading provider of analog replacement solutions for the enterprise. Our cloud-enabled platform helps companies escape from the world of yesterday and prepare for the world of tomorrow by replacing static, costly copper telephone lines (POTS) with a managed wireless solution that is 5G ready. MarketSpark is the only MSP in the telecom space purpose built to handle analog line replacement on a global scale. Whether retrofitting or building new, we give our customers a platform for growth. Oh, and the ROI is immediate. No upfront cost, no hardware cost, no hidden fees, just one low per line fee and one vendor to manage all your wireless providers. Currently working with 36 of the Fortune 100 including some of the countrys largest retailers thanks to our turn-key solution and the complete visibility into all their life safety and operational systems we provide. www.marketspark.com
Show all 10 entries ↓
Investment activity
2022–2026 · 5 investments
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