First In

First In is a venture capital firm established in 2020 and located in Nashville, Tennessee. The firm focuses on investing in companies that tackle significant opportunities and challenges faced by commercial and government enterprises due to the exponential growth of data. First In primarily targets firms that specialize in data and security, seeking to support innovative solutions from inception to seed stage. By concentrating on modern security technologies, First In aims to enhance both enterprise operations and societal safety.

Renny McPherson

Managing Partner

16 past transactions

Castelion

Series A in 2025
Castelion is a venture-backed defense tech company applying modern hardware development and manufacturing processes to critical national security challenges, specifically to solve affordability, scale, and supply chain robustness.

Pryzm

Pre Seed Round in 2024
Pryzm is a company that specializes in developing an AI-powered intelligence platform aimed at enhancing the process of government contract capture. The platform provides an online contracting solution that facilitates AI-driven searches and alerts, allowing users to efficiently navigate the landscape of contracting and subcontracting opportunities. This capability enables government agencies to connect effectively with potential bidders, streamlining the contract discovery process and improving overall efficiency in securing contracts.

Dapple Security

Pre Seed Round in 2024
Dapple Security is a developer of a unique digital security technology platform that focuses on safeguarding human digital identity. The company offers a passwordless platform that employs responsible biometrics and adheres to privacy by design principles. This innovative approach enables enterprises to enhance their defenses against phishing and other cyber threats, thereby protecting individuals and their personal information effectively. By prioritizing user privacy and security, Dapple Security aims to redefine the standards of digital identity protection in the evolving landscape of cybersecurity.

Adlumin

Series B in 2023
Adlumin Inc. operates a security and compliance automation platform designed to identify threats, malfunctions, and operational failures within IT environments. Founded in 2016 and based in Washington, D.C., the company collects and indexes data from various sources, including network traffic, web servers, firewalls, and custom applications. Its platform leverages advanced technologies such as machine learning and analytics to assist IT teams in security orchestration and incident response. Key features include One-Touch Compliance Reporting, which simplifies the process of generating reports for financial auditors. Adlumin aims to support mid-market organizations by enabling effective threat hunting, vulnerability management, and compliance, thereby enhancing their cybersecurity posture.

AnySignal

Seed Round in 2023
AnySignal is focused on transforming the delivery of radiofrequency (RF) capabilities for complex global challenges, particularly in the aerospace, space, and defense sectors. The company develops a range of RF technologies that provide comprehensive solutions for communications, radar, navigation, and telemetry management systems. Their offerings include software modems, hardware for airborne and ground applications, data management software, and integration tools for ground stations and vehicle telemetry. By combining skilled talent, streamlined processes, and innovative technologies, AnySignal aims to offer cost-effective and holistic RF solutions that enhance operational efficiency and connectivity for modern aircraft, satellites, and national security applications.

Castelion

Seed Round in 2023
Castelion is a venture-backed defense tech company applying modern hardware development and manufacturing processes to critical national security challenges, specifically to solve affordability, scale, and supply chain robustness.

Tidal Cyber

Seed Round in 2022
Tidal Cyber is a developer of a threat-informed defense platform that assists enterprise organizations in optimizing their cybersecurity defenses, operations, and investments. The company provides validated insights that enhance the ability to defend against significant threats, while also facilitating the assessment, organization, and optimization of security measures. By focusing on the behaviors of adversaries that are most relevant to its clients, Tidal Cyber enables organizations to define, measure, and improve their defense capabilities. This approach helps eliminate redundant mitigations and strengthens the overall security posture of its clients.

Phylum

Series A in 2022
Phylum specializes in cybersecurity solutions aimed at protecting applications within the open-source ecosystem and the software development tools associated with it. The company employs an automated analysis engine that promptly scans third-party code upon its publication, allowing it to vet software packages, identify potential risks, inform users, and prevent attacks. Phylum offers a comprehensive database of open-source software supply chain risks, which can be integrated throughout the development lifecycle and customized to fit an organization’s infrastructure and application security program maturity. The team consists of experienced security researchers and developers with extensive backgrounds in both the U.S. Intelligence Community and commercial sectors. Phylum has received recognition for its innovative approach, winning awards such as the Black Hat 2022 Innovation Spotlight Competition and being named one of Inc. Magazine’s Best Workplaces for 2023.

ClearMix

Seed Round in 2022
Clearmix is a company that specializes in producing branded video content specifically for sales and marketing teams through a completely remote process. The business operates a video marketing platform that features a remote recording studio and is supported by a network of professional video editors. This innovative setup allows clients to create high-quality video content from virtually any location and at any time, facilitating the sharing of their ideas with a broader audience. Clearmix’s services cater to the growing demand for effective video marketing solutions in a flexible and accessible manner.

Pixm

Seed Round in 2022
Pixm, Inc. is a cybersecurity company based in New York that specializes in developing artificial intelligence technologies to combat phishing breaches. Founded in 2013, Pixm focuses on real-time phishing detection through advanced visual recognition techniques, allowing it to identify zero-day phishing attacks without relying on traditional whitelists. The company offers a comprehensive platform that provides anti-phishing, email security, and endpoint protection services, utilizing deep learning to address security threats across websites, networks, and computers. Its innovative brand authorization technology enhances the ability of organizations to detect and prevent sophisticated phishing attempts, thereby improving overall online security.

Appaegis

Seed Round in 2021
Appaegis simplifies enterprise data access while enforcing strong zero-trust security for remote access. Its patent-pending solution protects data access and gives administrators full control over how enterprise data is used. The company was founded by security veterans with successful security track records.

Shift5

Series A in 2021
Shift5, Inc. is a cybersecurity company founded in 2019 and based in Arlington, Virginia. The company specializes in developing hardware and software solutions to safeguard operational technology platforms, including aircraft, satellites, ground combat vehicles, and large-scale mining and construction equipment. Shift5's offerings include the Shift5 Intake, a data recorder that collects and transmits embedded data in real time to identify intrusions, and the Shift5 Engine, which employs both rule-based and model-based analytics to detect cyber threats within internal communication networks. Additionally, the company provides the Shift5 Gauge Cluster for data capturing and analytics, along with features for intrusion detection, secure code delivery verification, and fault reporting, aimed at protecting both government and commercial systems from cyber attacks.

Phylum

Seed Round in 2021
Phylum specializes in cybersecurity solutions aimed at protecting applications within the open-source ecosystem and the software development tools associated with it. The company employs an automated analysis engine that promptly scans third-party code upon its publication, allowing it to vet software packages, identify potential risks, inform users, and prevent attacks. Phylum offers a comprehensive database of open-source software supply chain risks, which can be integrated throughout the development lifecycle and customized to fit an organization’s infrastructure and application security program maturity. The team consists of experienced security researchers and developers with extensive backgrounds in both the U.S. Intelligence Community and commercial sectors. Phylum has received recognition for its innovative approach, winning awards such as the Black Hat 2022 Innovation Spotlight Competition and being named one of Inc. Magazine’s Best Workplaces for 2023.

Moth + Flame

Seed Round in 2021
Moth + Flame VR specializes in developing virtual training technology that aims to redefine immersive learning and communication. The company provides enterprise-scale clients with innovative training platforms powered by artificial intelligence and natural language processing. These platforms deliver adaptive learning programs focused on both hard and soft skills, allowing organizations to offer comprehensive and engaging training experiences across various industries.

Base Operations

Seed Round in 2021
Base Operations Inc. specializes in providing street-level threat analysis services through a comprehensive threat intelligence platform. Founded in 2015 and based in Washington, D.C., the company aggregates and visualizes both crowdsourced and official data to assist organizations in mitigating risks and ensuring the safety of their personnel and operations in emerging markets. Their offerings include detailed threat assessments, neighborhood threat ratings, and AI-powered predictive analytics, which enable clients to gain actionable insights for improved response times and security management. Additionally, the platform features a dashboard for security personnel, facilitating communication with field employees and enhancing trip management to safeguard against potential threats.

Caveonix

Series A in 2021
Caveonix is a company that specializes in cyber risk management for hybrid cloud environments. Founded in 2017 and based in Falls Church, Virginia, the firm offers a flagship product called RiskForesight™, which provides a proactive framework for managing risks. This software enables both service providers and enterprises to continuously detect, predict, and respond to security threats and vulnerabilities affecting their cloud workloads. By delivering full-stack visibility into cloud infrastructure, platforms, applications, and data, Caveonix helps clients automate compliance and enhance their security posture, thus improving their ability to defend against cyber risks effectively.
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