Resonant Venture Partners

Stratos, Inc. is a technology company based in Ann Arbor, Michigan, that specializes in mobile payment solutions. The company has developed a Bluetooth-connected card platform that consolidates various plastic cards, including credit, debit, loyalty, membership, and gift cards, into a single device. This innovative platform allows users to utilize the Stratos card in traditional payment scenarios, such as at restaurants, bars, ATMs, and parking meters, while ensuring compatibility with point-of-sale terminals. Stratos' technology also enhances security by protecting consumers, merchants, and banks from potential fraud. Originally founded as Protean Payment, Inc. in 2012, the company rebranded to Stratos, Inc. in October 2014.

Stratos, Inc. is a technology company based in Ann Arbor, Michigan, that specializes in mobile payment solutions. The company has developed a Bluetooth-connected card platform that consolidates various plastic cards, including credit, debit, loyalty, membership, and gift cards, into a single device. This innovative platform allows users to utilize the Stratos card in traditional payment scenarios, such as at restaurants, bars, ATMs, and parking meters, while ensuring compatibility with point-of-sale terminals. Stratos' technology also enhances security by protecting consumers, merchants, and banks from potential fraud. Originally founded as Protean Payment, Inc. in 2012, the company rebranded to Stratos, Inc. in October 2014.

Duo Security provides cloud-based access protection solutions for companies worldwide, specializing in multi-factor authentication (MFA), passwordless login, and single sign-on (SSO) technologies. Their services include unified endpoint visibility, adaptive authentication, policy enforcement, and secure remote access to both cloud and on-premises applications. Duo Security's offerings help protect against phishing, credential theft, and application breaches, serving industries such as healthcare, finance, technology, government, education, legal, retail, and more. Founded in 2009 and based in Ann Arbor, Michigan, the company also has offices in San Mateo, California; Austin, Texas; and London, United Kingdom. As of September 28, 2018, Duo Security operates as a subsidiary of Cisco Systems.

Duo Security provides cloud-based access protection solutions for companies worldwide, specializing in multi-factor authentication (MFA), passwordless login, and single sign-on (SSO) technologies. Their services include unified endpoint visibility, adaptive authentication, policy enforcement, and secure remote access to both cloud and on-premises applications. Duo Security's offerings help protect against phishing, credential theft, and application breaches, serving industries such as healthcare, finance, technology, government, education, legal, retail, and more. Founded in 2009 and based in Ann Arbor, Michigan, the company also has offices in San Mateo, California; Austin, Texas; and London, United Kingdom. As of September 28, 2018, Duo Security operates as a subsidiary of Cisco Systems.