Zelkova Ventures

Respondology provides social media management tools that combine real-time engagement with moderation capabilities. It operates a cost-per-click reply-based advertising platform that scans millions of social posts daily to identify customer sentiment and intent and deliver targeted marketing messages in real time, with dashboards for tracking replies, clicks, and conversions. It also offers a customizable comment moderation system that helps brands reclaim control of their social presence by removing harmful comments, bots, and spam across paid, organic, and influencer channels, enabling unified moderation across multiple platforms. Founded in 2008 and based in Boulder, Colorado, Respondology serves brands seeking to optimize social media engagement while mitigating brand risk.

Respondology provides social media management tools that combine real-time engagement with moderation capabilities. It operates a cost-per-click reply-based advertising platform that scans millions of social posts daily to identify customer sentiment and intent and deliver targeted marketing messages in real time, with dashboards for tracking replies, clicks, and conversions. It also offers a customizable comment moderation system that helps brands reclaim control of their social presence by removing harmful comments, bots, and spam across paid, organic, and influencer channels, enabling unified moderation across multiple platforms. Founded in 2008 and based in Boulder, Colorado, Respondology serves brands seeking to optimize social media engagement while mitigating brand risk.

GreatHorn, Inc. is a cybersecurity company based in Waltham, Massachusetts, that specializes in protecting cloud communication infrastructure from sophisticated threats such as spear phishing and credential theft. Founded in 2015, GreatHorn offers a range of solutions including Inbound Email Security, which provides automated protection against phishing attacks; Collaboration and Chat Security, designed to help IT and security teams manage their communication security; Continuous Credential Monitoring for real-time threat detection; and Mailbox Protection, which equips users with insights to enhance their email interactions. The company's platform leverages advanced machine learning and anomaly-based threat detection to secure email communications from various types of cyberattacks, including malware and social engineering schemes, thereby enabling clients to maintain secure and efficient operations across multiple cloud platforms.

GreatHorn, Inc. is a cybersecurity company based in Waltham, Massachusetts, that specializes in protecting cloud communication infrastructure from sophisticated threats such as spear phishing and credential theft. Founded in 2015, GreatHorn offers a range of solutions including Inbound Email Security, which provides automated protection against phishing attacks; Collaboration and Chat Security, designed to help IT and security teams manage their communication security; Continuous Credential Monitoring for real-time threat detection; and Mailbox Protection, which equips users with insights to enhance their email interactions. The company's platform leverages advanced machine learning and anomaly-based threat detection to secure email communications from various types of cyberattacks, including malware and social engineering schemes, thereby enabling clients to maintain secure and efficient operations across multiple cloud platforms.