Circadian Ventures
Venture capitalActively deployingAtlanta · Seed–Series A · 15 people tracked
Investment thesis
Circadian Ventures is a values-driven, founder-focused early-stage venture firm investing in technology companies across sectors such as cybersecurity, fintech, AI, and data analytics. The firm emphasizes service to founders, integrity, transparency, positivity, and philanthropy. It supports portfolio companies through a Technology Advisory Council of experienced CIOs and operators who provide expertise to drive innovation and growth.
Source: firm website, verified Aug 7, 2026.
Team · 15 people
from the firm's website & public directoriesWhat they invest in
from 15 of 41 portfolio companiesSaaS ×8AI & Machine Learning ×7Enterprise Software ×7Data & Infrastructure ×4Fintech ×4Hardware ×2Marketing Tech ×2Advanced Manufacturing ×1
HQs:United States×11
Investments · 41 tracked
founders shown can be your intro pathCoral Springs, US
Adam Nadler(Executive Officer, Director)Michael Dowdle(Director)Adam Handfinger(Executive Officer, Director)Rhiannon Sullivan(Executive Officer)
Board seatMichael Dowdle· per SEC Form D · $3M raise · filed Mar 2026
Austin, US
Michael Dowdle(Director)Dane Witbeck(Executive Officer, Director)
Board seatMichael Dowdle· per SEC Form D · $2.4M raise · filed Dec 2021
IRALOGIX offers a cloud-native, white-label IRA platform that lets banks, advisors, and financial institutions manage individual retirement accounts of any type or balance, automating administration, compliance, and account consolidation.
Enterprise SoftwareFintechSaaSPittsburgh, US
THOMAS G. ANDERSON(Director)ANNE ARCHIBALD(Executive Officer)RYAN WEBER(Director)DAVID BERNARD(Executive Officer, Director)MICHAEL B. DOWDLE(Director)
Board seatMichael DowdleMichael B. Dowdle· per SEC Form D
Nashville, US
Deborah Gordon(Executive Officer, Director)
BoardGalina Antova(Ms. Antova is a member of the board of directors.)Aakash Patel(Mr. Patel is a member of the board of directors.)
Board seatMichael Dowdle· per SEC Form D · $6.5M raise · filed Dec 2024
Cloud Range provides a cyber range platform for organizations to test, train, and validate human cybersecurity teams and AI agents through realistic attack simulations and hands-on exercises.
AI & Machine LearningCybersecurityEnterprise Software
Cloverly provides a software platform for carbon credit project developers to manage inventory, pricing, sales, and delivery across multiple sales channels and buyers.
Climate TechSaaSAtlanta, US
Anthony Oni(Director)Jason Rubottom(Executive Officer, Director)Vasant Kamath(Director)Mike Dowdle(Director)James Heath(Director)
Hermeus is a high-speed aircraft manufacturer developing unmanned, hypersonic aircraft for defense and national security missions.
Defense TechHardwareAtlanta, US
Intellectible is an automation platform for document-heavy, complex business processes, combining AI and SaaS expertise to handle high-stakes workflow execution.
AI & Machine LearningEnterprise SoftwareSaaSAustin, US
Jesse Lozano(Founder)inReuben Carter(Co-founder & CTO)inRosie Higgins(Co-founder & CPO)inArmistead Whitney(Director)
Precog provides automated data integration (ELT) using multi-dimensional algebra and AI-powered schema detection to transform complex object data from APIs, SaaS applications, and IoT platforms into business-ready data.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechBoulder, US
Rent Ready provides a software platform that manages the apartment turnover process, including scheduling, tracking, payments, and quality control for multifamily communities.
Enterprise SoftwarePropTechSaaS
Jonathan Kite(Co-Founder & CEO)inRyan C. McMillan(Executive Officer, Director)William P. Brugh, Jr.(Executive Officer, Director)Scott B. Perper(Director)
Softwear Automation develops fully automated sewing robots (Sewbots) that enable on-demand, local manufacturing for the apparel industry.
Advanced ManufacturingAI & Machine LearningRoboticsAtlanta, US
Palaniswamy Rajan(Executive Officer, Director)Peter Schoenthaler(Executive Officer)John Lee(Executive Officer)inThomas Borglum Jensen(Director)Harish Mamtani(Director)inSteve MacDonald(Director)in
Voxie provides an SMS platform designed for franchise networks, enabling corporate teams to manage compliance and messaging strategy centrally while allowing individual franchisees to execute localized customer engagement campaigns.
Marketing TechSaaSAlpharetta, US
Andy Powell(Director)Kyle Porter(Director)John C. Ale, Jr.(Director)Wain Kellum(Director)Ionut Bogdan Constantin(Executive Officer, Director)
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does Circadian Ventures invest at?
- Circadian Ventures invests at the Seed, Series A stages.
- What is Circadian Ventures's typical check size?
- Circadian Ventures typically writes checks of $500K – $1.5M.
- What sectors does Circadian Ventures focus on?
- Circadian Ventures focuses on AI & Machine Learning, Biotech, Cybersecurity, Data & Infrastructure, Direct to Consumer, Enterprise Software, Fintech, Healthtech, Logistics & Supply Chain, Marketing Tech, PropTech, Retail Tech, Robotics, SaaS, Sector Agnostic.
- Where is Circadian Ventures located?
- Circadian Ventures is headquartered in Atlanta, US.
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