John Marquis

Founder, General Partner at Polpis Light

📍 Boston, Massachusetts, United States🔄 Updated October 2026💼 17 investments📅 11 years investing🗓 Last invested May 2023
VC🌍 United States
17
Total investments
4
Early stage
0
Mid stage
5
Late stage
11y
Years active

Portfolio

15 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
Nov 2022
Recast enhances your existing endpoint management systems — Microsoft SCCM, Intune, and beyond — equipping IT teams and users alike with powerful new capabilities for application delivery, automation, remediation, optimization, and complete end-to-end visibility. Whether you’re a fast-growing company or a global enterprise, Recast helps keep your endpoints secure, your applications current, and your employees empowered. Trusted to manage over 60 million endpoints across all seven continents, we uphold standards as high as the environments we protect. We make the modern workplace work—better, faster, and smarter. We are Recast.
Board Member
Mar 2022
MixMode is a no-rules-required Cybersecurity platform, serving large enterprises with big data environments across a variety of industries. MixMode delivers a patented, self-learning platform that acts as the Cybersecurity Intelligence Layer℠ to detect both known and unknown attacks, including novel attacks designed to bypass legacy cyber defenses. This is accomplished in real-time, across any cloud or on-premise data stream. Trusted by global entities in banking, public utilities and government sectors, industry cyber leaders rely on MixMode to protect their most critical assets. The platform dramatically improves the efficiency of SOC teams previously burdened with writing and tuning rules and manually searching for attacks. The MixMode platform can be deployed remotely, with no appliances, in under an hour with business outcomes evident within days. Backed by PSG and Entrada Ventures, the company is headquartered in Santa Barbara, CA.
Board Member
May 2021
Quilt assembles software companies providing POS solutions for highly-specialized vertical industries with complex inventory management requiments. Each solution is uniquely tailored to the needs of that particular industry, but they are all backed by a common set of resources for added strength and resilience. Quilt is a PSG portfolio company (www.psgequity.com).
Board Member
Feb 2021
Copysmith is now Describely! Discover the power of AI product content management for eCommerce businesses. Easily generate high-quality product content at scale and publish to your storefront seamlessly. Head to our website to learn more!
Board Member
Dec 2020
Meal Ticket is a leading software provider in the food service industry, offering a portfolio of SaaS tools for distributors, manufacturers & restaurant operators. We enable our clients to deliver greater profits with a suite of software solutions that increase operational efficiency, maximize complex earned income programs, target new business, and elevate operator & supplier engagement. Our products offer best-in-class business intelligence tools combined with industry expertise, ongoing training & support. Meal Ticket was founded in 2011 and is headquartered in Boise, Idaho, with offices in Colorado, Florida, NYC, the U.K., and Israel.
Board Member
Dec 2020
At Dental Intelligence, were all about creating value. Were passionate about what we do and how we do it. We trust each other and our abilities to create something special, something unique, something impactful. We make a difference for our team, customers, partners, and shareholders. We have one simple purpose - To help the dentists improve team performance, value, and overall culture in the practice. Everything we do emanates emotion, inspires engagement, and enables enrichment around that one purpose. We invite all dentists, dental practice owners, and dental practice team members, including coaches and consultants, to try us out. Give us a call, and lets see what we can do together. Youll be glad you did, and I know that incredible things will happen!
Board Member
Apr 2019
Sovereign Sportsman Solutions is a leading provider of business services and technology platforms for the Outdoor Recreation industry. We partner with state government agencies, tribal councils and Canadian provincial governments across North America to provide transaction-based licensing, permitting, registration, reservation and mobile solutions which leverage a network of more than 16,000 retail sales agents including Cabela’s, Bass Pro Shops, Walmart, Academy Sports and thousands of other value-added industry partners. Our government clients and industry partners trust us to provide exceptional online sales platforms and industry-dedicated support operations, along with marketing and client engagement capabilities designed to grow revenue and relevancy well into the future. Together with our partners, Sovereign powers the Business of Conservation in North America
Board Member
Apr 2019
DivvyCloud protects your cloud and container environments from misconfigurations, policy violations, threats, and IAM challenges. With automated, real-time remediation DivvyCloud customers achieve continuous security and compliance, and can fully realize the benefits of cloud and container technology. Freedom is good.  Chaos is bad. DivvyCloud supports AWS, Microsoft Azure, Google Cloud Platform, Alibaba Cloud, and Kubernetes.
Board Member
Jan 2019
NXTSoft is now part of Kinective. Kinective is the force multiplier financial institutions need to scale transformation efforts faster through one connection between fintechs and banking cores.
Board Member
Dec 2017
Government Brands is the preferred partner for government software solutions and integrated payments. Supporting thousands of government customers in 50 states, Government Brands offers solutions for all sizes of governments – municipalities, counties, states, and Federal agencies. Our cost-effective solutions with integrated payments improve engagement with the public, and our customer-centric solutions streamline, automate, and enhance back-office workflows and overall government operations. Whether you lead a Tax office, a Court, a 311 center, a Permitting office, or need to offer payments to the public, Government Brands has a solution that works!
Board Member
Mar 2017
Ensora Health partners with mental, behavioral, and rehabilitative therapy practices to remove administrative complexity and strengthen long-term success. We support over 200,000 providers and 28,000 practices, helping teams spend less time on systems and more time with clients. We simplify the realities of therapy work with solutions that reduce friction, minimize workarounds, and bring clarity to growing teams; all so practitioners can get back to the moments that matter. Our core EHR products: TheraNest Built for mental health therapists. TheraNest helps you finish notes faster, move through your day with fewer interruptions, and stay present with clients. You’ll end your day on time with energy to spare. Fusion Built for physical, occupational, and speech therapists. Fast documentation, flexible scheduling across disciplines, and tools that keep teams moving in step at your clinic, home health, school, or wherever care happens. Add‑ons that can help drive practice success: - AI Session Assistant - Custom documentation - Intelligent scheduling - Billing & revenue cycle management (RCM) - HIPAA-compliant telehealth - Credit card processing - eRx ...and more
Board Member
Oct 2016
EverCommerce is a leading service commerce platform, providing vertically-tailored, integrated SaaS solutions that help more than 500,000 global service-based businesses accelerate growth, streamline operations, and increase retention. Its modern digital and mobile applications create predictable, informed, and convenient experiences between customers and their service professionals. Specializing in Home & Field Services, Health Services, and Fitness & Wellness industries, EverCommerce solutions include end-to-end business management software, integrated payment acceptance, marketing technology, and customer engagement applications.
Board Member
Jun 2016
We’re in the midst of an information revolution, and monitoring is at the center of it. Businesses are moving from asking, “What happened?” to predicting what’s coming, solving problems before they start and using data to unlock opportunities. At LogicMonitor, we’re committed to expanding what’s possible for businesses by advancing their technology. After all, monitoring shouldn’t just help businesses see what’s in front of them—it should create new ways for them to grow. Here’s how we live our vision: Turn It On - Today, monitoring keeps the world of business turning. LogicMonitor comprehensively monitors infrastructures, from on-premises to the cloud. Within minutes, we make it possible for businesses to advance their technology, ensuring airline passengers aren’t stranded due to system outages, food stays at safe temperatures and spinning wheels don’t interrupt our favorite streaming shows. Turn the Dial - We believe monitoring should do more than visualize today’s information—it should open up new ways for businesses to grow. We go above and beyond to empower our customers, seeking to be the most extensible monitoring platform in the world. When our customers can solve problems before they start, they can move their focus from maintenance to innovation. Turn the Corner - As artificial intelligence and machine learning turn from sci-fi promises to everyday realities, our technology is enabling businesses to see what’s coming before it happens. We collaborate closely with our customers to understand their risks and anticipate their needs, providing insights that unlock their vision. Our company has a global presence with offices in Santa Barbara, Austin, Boston, New York City, London, India, Australia, and Singapore.
Board Member
Apr 2016
Inhabit is a software company serving the residential and vacation property management industries. It delivers best-in-class software solutions while fostering industry-leading innovation and collaboration. Powered by its diverse team of business leaders and industry experts, the company focuses on providing property management professionals more choice through its software ecosystems.  Inhabit believes that property managers are central to the success of the residential and vacation housing markets and delivers products built to empower them, their investors, and communities. Inhabit’s private equity partners include Goldman Sachs Asset Management, Insight Partners, Greater Sum Ventures and PSG. These are committed to helping support the company’s commitment to property management software solutions. To learn more, visit Inhabit.com.
Board Observer
Mar 2015
We help more than 90,000 purpose-driven organizations grow and amplify their impact on the world by providing transformative technology and services that enable organizations to grow, protect and engage their communities. Our solutions equip clients to engage members and donors, manage fundraising and giving, plan events, run background checks on employees and volunteers, and more. Together, our nearly 700 team members help organizations transform how they operate and create positive ripple effects that drive the real human impact we all strive to see.
Experience · 20 entries
All (20)
Investments (17)
Founder (1)
Board (17)
2026
Founder, General Partner
Jan 2026
Growth capital for B2B softwares AI transformation
2025
Managing Director
Apr 2025
Blue Star Innovation Partners ("BSIP") is a Frisco-based investment firm that partners with software and payments companies. We understand how to work with founders and CEOs because we are founders and CEOs ourselves.
2023
Board Member
May 2023
4me® combines ITSM with ESM and SIAM capabilities, enabling all internal departments, such as IT, HR, and Facilities, as well as external managed service providers, to work seamlessly with each other. At the same time, 4me provides complete visibility and control of service cost and quality.
2022
Board Member
Nov 2022
Recast enhances your existing endpoint management systems — Microsoft SCCM, Intune, and beyond — equipping IT teams and users alike with powerful new capabilities for application delivery, automation, remediation, optimization, and complete end-to-end visibility. Whether you’re a fast-growing company or a global enterprise, Recast helps keep your endpoints secure, your applications current, and your employees empowered. Trusted to manage over 60 million endpoints across all seven continents, we uphold standards as high as the environments we protect. We make the modern workplace work—better, faster, and smarter. We are Recast.
Board Member
Mar 2022
MixMode is a no-rules-required Cybersecurity platform, serving large enterprises with big data environments across a variety of industries. MixMode delivers a patented, self-learning platform that acts as the Cybersecurity Intelligence Layer℠ to detect both known and unknown attacks, including novel attacks designed to bypass legacy cyber defenses. This is accomplished in real-time, across any cloud or on-premise data stream. Trusted by global entities in banking, public utilities and government sectors, industry cyber leaders rely on MixMode to protect their most critical assets. The platform dramatically improves the efficiency of SOC teams previously burdened with writing and tuning rules and manually searching for attacks. The MixMode platform can be deployed remotely, with no appliances, in under an hour with business outcomes evident within days. Backed by PSG and Entrada Ventures, the company is headquartered in Santa Barbara, CA.
Show all 20 entries ↓
Investment activity
2015–2023 · 17 investments
2015220163201722019320202202122022220231
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