Mark Lockareff

Growth CEO / Investor

📍 Palo Alto, California, United States🔄 Updated September 2026💼 14 investments📅 22 years investing🗓 Last invested Oct 2014
VC🌍 United States
14
Total investments
3
Early stage
4
Mid stage
1
Late stage
22y
Years active

Portfolio

11 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor and Advisor
Oct 2014
Lyten is an Advanced Materials company helping to decarbonize the planet by transforming greenhouse gases into Lyten 3D Graphene™, the most advanced carbon platform in the world, and using this material to develop highly innovative products that transform multiple industries. Batteries for Electric Vehicles (EV) Using our proprietary Lyten 3D Graphene™, we are developing an advanced Lithium-Sulfur battery that can be used by electric vehicles in the automotive, aviation, and aerospace industries. Composite Materials Using our proprietary Lyten 3D Graphene™, we are developing new polyethylene composite materials that will reduce the weight of plastic products while simultaneously maintaining stiffness, impact, and durability. Advanced Gas & Resonant Sensors Using our proprietary Lyten 3D Graphene™, we are developing multiple types of advanced resonant sensors, bio-sensors, and gas sensors that will have a tremendous impact in the health, safety, logistics, and manufacturing industries.
early stageManufacturing
Investor
May 2007
Quigo Technologies, Inc. was a privately owned search marketing technology company headquartered in New York City. Founded in Israel in 2000 by Yaron Galai and Oded Itzhak, it developed contextual search marketing advertising technology it offered through its two products: AdSonar and FeedPoint.
Investor
Apr 2006
Metas mission is to build the future of human connection and the technology that makes it possible. Our technologies help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. To help create a safe and respectful online space, we encourage constructive conversations on this page. Please note the following: • Start with an open mind. Whether you agree or disagree, engage with empathy. • Comments violating our Community Standards will be removed or hidden. Please treat everybody with respect. • Keep it constructive. Use your interactions here to learn about and grow your understanding of others. • Our moderators are here to uphold these guidelines for the benefit of everyone, every day. • If you are seeking support for issues related to your Facebook account, please reference our Help Center (https://www.facebook.com/help) or Help Community (https://www.facebook.com/help/community). For a full listing of our jobs, visit https://www.metacareers.com
Investor
Apr 2006
The Facebook company is now Meta. Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. We want to give people the power to build community and bring the world closer together. To do that, we ask that you help create a safe and respectful online space. These community values encourage constructive conversations on this page: • Start with an open mind. Whether you agree or disagree, engage with empathy. • Comments violating our Community Standards will be removed or hidden. So please treat everybody with respect. • Keep it constructive. Use your interactions here to learn about and grow your understanding of others. • Our moderators are here to uphold these guidelines for the benefit of everyone, every day. • If you are seeking support for issues related to your Facebook account, please reference our Help Center (https://www.facebook.com/help) or Help Community (https://www.facebook.com/help/community). For a full listing of our jobs, visit http://www.facebookcareers.com
Investor/Board Observer
Feb 2006
Riverbed is the only company with the collective richness of telemetry from network to app to end user that illuminates and then accelerates every interaction so that users get the flawless digital experience they expect across the entire digital ecosystem. Riverbed provides two industry-leading solutions: the Riverbed Unified Observability portfolio, which integrates data, insights, and actions across IT to enable customers to deliver seamless digital experiences; and Riverbed Acceleration, which offers fast, agile, and secure acceleration of any application over any network to users, whether they are mobile, remote, or on-premises. Together with our thousands of partners, and market-leading customers across the world, we empower every click, every digital experience. Riverbed. Empower the Experience.
Investor and Board Observer
Feb 2006
AmberPoint offers industry leading solutions for management & governance of distributed applications. AmberPoint manages all flavors of distributed applications - SOA, Web 2.0, Cloud, BPM or plain old EAI, irrespective of their underlying technology or topology. Today, AmberPoint software is used in 63 countries spanning six continents around the globe. We’re closely aligned with the leading platform providers and systems integrators to help organizations worldwide realize the benefits of loosely-coupled applications.
Investor
Nov 2005
AudienceScience is the world's first Advertising Automation solution delivering simplicity, effectiveness and accountability at scale for global advertisers and agencies. The AudienceScience® Helios technology integrates the numerous siloed tools used to drive digital ad impressions and end actions into a single solution which enables a marketer to maximize the performance of every advertising dollar. Developed in partnership with the world’s largest CPG advertiser, AudienceScience technology uses cloud-based infrastructure and machine learning to process billions of transactions per minute in over 50 countries, including China. We execute behaviorally-targeted, fraud-free campaigns for marketers who are demanding efficiency and effectiveness to deliver maximum value to their shareholders.
Investor/Board Member
Mar 2005
Investor/Board Observer
Dec 2004
Investor
Nov 2004
We provide the most effective cybersecurity and compliance solutions to protect people on every channel including email, the web, the cloud, and social media.
Board Observer
May 2004
Model N is the leader in revenue optimization and compliance for pharmaceutical, medtech and high-tech innovators. For 25 years, our intelligent platform has powered digital transformation for pharmaceutical, medtech, and high-tech companies with integrated technology, data, analytics, and expert services that deliver deep insight and control. Our integrated cloud solution is proven to automate pricing, incentive and contract decisions to scale business profitably and grow revenue. Model N is trusted across more than 120 countries by the world’s leading companies, including Johnson & Johnson, AstraZeneca, Stryker, Seagate Technology, and Microchip Technology. For more information, visit www.modeln.com.
Experience · 23 entries
All (23)
Investments (14)
Founder (4)
Board (7)
2018
Volunteer Consultant
May 2018
The Stanford Graduate School of Business empowers individuals to envision what is possible and make it happen through principled leadership and creative problem solving. The school has built a global reputation based on its management and leadership programs, including the two-year MBA; the one-year MSx Program; the PhD Program; Stanford Ignite, a part-time program in innovation and entrepreneurship; and Executive Education. Each program creates an experience that transforms people and prepares them to change lives, change organizations, and change the world. Programs engage the highest quality students with world-class faculty from across Stanford University’s seven schools, as well as alumni, Silicon Valley professionals, global executives, and the broader world community. The state-of-the-art Knight Management Center offers flexible classroom spaces for hands-on experiential learning, small-group leadership labs, and team-based learning. It also serves as a convening space for major forums and discussions.
2014
Stealth Company in the Energy/Materials Sector
Investor and Advisor
Oct 2014
Investor and Advisor
Oct 2014
Lyten is an Advanced Materials company helping to decarbonize the planet by transforming greenhouse gases into Lyten 3D Graphene™, the most advanced carbon platform in the world, and using this material to develop highly innovative products that transform multiple industries. Batteries for Electric Vehicles (EV) Using our proprietary Lyten 3D Graphene™, we are developing an advanced Lithium-Sulfur battery that can be used by electric vehicles in the automotive, aviation, and aerospace industries. Composite Materials Using our proprietary Lyten 3D Graphene™, we are developing new polyethylene composite materials that will reduce the weight of plastic products while simultaneously maintaining stiffness, impact, and durability. Advanced Gas & Resonant Sensors Using our proprietary Lyten 3D Graphene™, we are developing multiple types of advanced resonant sensors, bio-sensors, and gas sensors that will have a tremendous impact in the health, safety, logistics, and manufacturing industries.
early stageManufacturing
Venture Partner & Investment Committee Member
Oct 2014
Black River Ventures (BRV) is committed to supporting passionate entrepreneurs who build disruptive, world-changing companies. We believe that only exceptional and capable teams can turn great ideas into outstanding businesses. Black River Ventures is investing in innovative companies at growth and late stages across the European and US technology space with a particular interest in Financial Services, Data Analytics/ AI, Software/ Services and IoT. We are convinced that the European online audience of 400M+ people, the second-largest market after China, provides appealing opportunities for Europe-born global companies along with US companies entering the European market. We partner with growth-stage visionary companies aiming to become industry leaders. Our mission is to provide smart capital for long-term growth by leveraging the collective experience and expertise of the BRV team based in the EU and the US. Black River Ventures provides capital to technology companies looking for investments in the range of $3M-$20M.
Co-Founder & Managing Director
Jan 2014
Provide CEO mentoring/coaching and general business advisory and consulting services. Also take independent Board Director positions in select companies. Work with a diverse set of technology, software and service companies ranging from early stage start ups to more mature companies.
Show all 23 entries ↓
Investment activity
2004–2014 · 14 investments
2004520052200642007120142
Recent (last 2 years)Earlier