Sean Marsh

Tech Investor / Entrepreneur / Executive

πŸ“ Concord, Massachusetts, United StatesπŸ”„ Updated October 2026πŸ’Ό 7 investmentsπŸ“… 24 years investingπŸ—“ Last invested Jun 2016𝕏 @upgrade_to_unlock
VC🌍 United States
7
Total investments
2
Early stage
1
Mid stage
2
Late stage
24y
Years active

Portfolio

7 investments Β· sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor / Board Observer
Jun 2016
flexEngage is the leading provider of personalized transactional communications for retailers, enabling brands like Under Armour, GNC, DXL, and 5.11 Tactical to transform standard transactional touchpoints (receipts, order status messages, and shipment tracking page) into dynamic engagement channels that drive loyalty and revenue. The company is backed by Y Combinator, strategic investor Synchrony Financial and other high-profile investors.
early stageRetail
Investor
Nov 2015
Appcast is the award-winning, global leader in programmatic job advertising technology. With advanced technology, unmatched market data and a team of the industrys best recruitment marketers, Appcasts technology and services drive hiring outcomes for more than 2,000 clients. In July 2023, Appcast acquired Bayard Advertising, a pioneer in the recruitment marketing space. Appcast is headquartered in Lebanon, N.H. with offices throughout North America and Europe. Appcast is a subsidiary of The Stepstone Group, a leading digital recruitment platform that connects companies with the right talent and helps people find the right job. To learn more, visit http://www.appcast.io and follow on X @appcast_io.
Investor / Board Observer
Aug 2007
Antenna, now part of Pegasystems, is a leading enterprise mobility specialist that helps global enterprises build, run, and manage mobile applications and content. Antenna's Mobility Platform, AMPchroma, is the mobile foundation that handles the complex components of the mobile lifecycle that many businesses struggle with, namely security, integration, and management of mobile applications. Hundreds of large enterprises around the world rely on Antenna as their trusted mobility partner. Founded in 1998, Antenna is headquartered in Jersey City, NJ with offices around the world. Visit www.antennasoftware.com or www.pega.com and follow @AntennaSoftware and @pega.
Investor / Board Observer
Aug 2005
Handmark is a leading mobile media company delivering the next great customer experience and revenue opportunity for partners. Handmark specializes in delivering mobile application solutions for brands, publishers and media companies. Leveraging 10 years of experience, Handmark is trusted by many of the world's leading media brands and delivers the industry's only full-service solutions including development, distribution, monetization and on-going innovation across all major mobile platforms. Handmark also has a rich history of operating successful mobile application stores around the world and continues to create some of the industry's most successful mobile brands including Pocket Express and TweetCaster.
mid stageWireless
Investor / Board Observer
Nov 2003
Since our inception, Newforma has revolutionized Project Information Management for the AEC industry by connecting data, processes, and people. As the industry standard for managing project information, our mission is to connect everyone on the project to the data they need, wherever they are, whenever they need it. RFIs, submittals, emails, drawings, models, and files from the most widely used applications -- Microsoft 365, Procore, Autodesk, Bluebeam, ProjectWise, and more -- are brought together on one platform to ease the overwhelming burden of managing project information in multiple applications. Join our community of 1,200 AEC organizations who have entrusted Newforma to be at the center of their data strategy. To learn more about Newforma software, visit the link below. To join our team, visit newforma.com/company/careers/
Investor / Board Observer
Apr 2003
Investor / Board Observer
Oct 2002
Scribe is an established global provider of solutions that easily bring customer data anywhere it is needed – regardless of IT infrastructure. Scribe’s award-winning products help 12,000 customers and 1,200 partners use customer data – cloud-based, on-premise or a mix – to increase revenue, provide superior service, and create business value faster. Its easy-to-use, enterprise-ready solutions are backed by extensive support options and training, and service customers across a wide array of industries including financial services, life sciences, manufacturing, and media and entertainment companies.
Experience Β· 10 entries
All (10)
Investments (7)
Founder (1)
Board (6)
2016
Investor / Board Observer
Jun 2016
flexEngage is the leading provider of personalized transactional communications for retailers, enabling brands like Under Armour, GNC, DXL, and 5.11 Tactical to transform standard transactional touchpoints (receipts, order status messages, and shipment tracking page) into dynamic engagement channels that drive loyalty and revenue. The company is backed by Y Combinator, strategic investor Synchrony Financial and other high-profile investors.
early stageRetail
2015
Investor
Nov 2015
Appcast is the award-winning, global leader in programmatic job advertising technology. With advanced technology, unmatched market data and a team of the industrys best recruitment marketers, Appcasts technology and services drive hiring outcomes for more than 2,000 clients. In July 2023, Appcast acquired Bayard Advertising, a pioneer in the recruitment marketing space. Appcast is headquartered in Lebanon, N.H. with offices throughout North America and Europe. Appcast is a subsidiary of The Stepstone Group, a leading digital recruitment platform that connects companies with the right talent and helps people find the right job. To learn more, visit http://www.appcast.io and follow on X @appcast_io.
2007
Investor / Board Observer
Aug 2007
Antenna, now part of Pegasystems, is a leading enterprise mobility specialist that helps global enterprises build, run, and manage mobile applications and content. Antenna's Mobility Platform, AMPchroma, is the mobile foundation that handles the complex components of the mobile lifecycle that many businesses struggle with, namely security, integration, and management of mobile applications. Hundreds of large enterprises around the world rely on Antenna as their trusted mobility partner. Founded in 1998, Antenna is headquartered in Jersey City, NJ with offices around the world. Visit www.antennasoftware.com or www.pega.com and follow @AntennaSoftware and @pega.
2005
Investor / Board Observer
Aug 2005
Handmark is a leading mobile media company delivering the next great customer experience and revenue opportunity for partners. Handmark specializes in delivering mobile application solutions for brands, publishers and media companies. Leveraging 10 years of experience, Handmark is trusted by many of the world's leading media brands and delivers the industry's only full-service solutions including development, distribution, monetization and on-going innovation across all major mobile platforms. Handmark also has a rich history of operating successful mobile application stores around the world and continues to create some of the industry's most successful mobile brands including Pocket Express and TweetCaster.
mid stageWireless
2003
Investor / Board Observer
Nov 2003
Since our inception, Newforma has revolutionized Project Information Management for the AEC industry by connecting data, processes, and people. As the industry standard for managing project information, our mission is to connect everyone on the project to the data they need, wherever they are, whenever they need it. RFIs, submittals, emails, drawings, models, and files from the most widely used applications -- Microsoft 365, Procore, Autodesk, Bluebeam, ProjectWise, and more -- are brought together on one platform to ease the overwhelming burden of managing project information in multiple applications. Join our community of 1,200 AEC organizations who have entrusted Newforma to be at the center of their data strategy. To learn more about Newforma software, visit the link below. To join our team, visit newforma.com/company/careers/
Show all 10 entries ↓
Investment activity
2002–2016 Β· 7 investments
200212003220051200712015120161
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