# Marcus Bartram

> Marcus Bartram is a Series B investor at Titanium Ventures (Sydney) backing Software and Security. See 23 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Titanium Ventures](https://shizune.co/investors/profile/telstra-ventures)
- Location: Sydney, Australia
- Total investments: 23
- Last investment: Feb 2025
- Lead investor: 39%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/marcusbartram

Marcus Bartram is a Series B investor at Titanium Ventures in Sydney focused on Software and Security. Marcus Bartram is based out of San Francisco, California and is the General Partner of Titanium Ventures. Marcus previously worked at MATRIXX Software as a Board Observer. Marcus Bartram attended the Oxford Saïd Business School.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 11 | 48% |
| Security | 8 | 35% |
| Cyber Security | 7 | 30% |
| Network Security | 7 | 30% |
| Artificial Intelligence | 6 | 26% |

29 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 6 | 26% |
| Series C | 4 | 17% |
| Series A | 3 | 13% |
| Series D | 3 | 13% |
| Funding Round | 3 | 13% |

8 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 16 | 70% |
| France | 1 | 4% |
| Mexico | 1 | 4% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Cranium | Cranium is an AI security and trust platform that delivers security and trust to the AI revolution. Companies can map, monitor, and manage their AI and ML environments against adversarial risks with the Cranium Enterprise software platform without interfering with how their teams work. | $7.3M | Series A | Feb 01, 2025 |  |
| BforeAI | BforeAI focuses in predictive attack intelligence and Digital Risk Protection Services (DRPS). Empowered by PreCrime™ technology featuring behavioral AI, we aim to transform cyber defense from reactive to proactive. Our solutions encompass automated threat intelligence, brand protection, adversary disruption, and domain takedowns. Recognized byGartner in five reports and honored with awards like the FinTech Innovation Lab New York, Bfore.AI offers the industry's swiftest, most precise automated defense against online fraud. | $10M | Series B | Dec 15, 2024 |  |
| Cranium | Cranium is an AI security and trust platform that delivers security and trust to the AI revolution. Companies can map, monitor, and manage their AI and ML environments against adversarial risks with the Cranium Enterprise software platform without interfering with how their teams work. | $25M | Series A | Oct 26, 2023 |  |
| Strata Identity | Strata Identity provides distributed multi-cloud identity solutions to enterprises. Its identity orchestration platform is designed specifically for hybrid and multi-cloud environments that enable users to easily manage distributed identity systems.The company was founded in 2019 and is headquartered in Boulder, with offices in Vancouver, SanFrancisco, Austin, and Atlanta. | $26M | Series B | Jan 25, 2023 |  |
| Cohere Technologies | Cohere Technologies is a leading pioneer for software enhanced 4G & 5G networks. The company has developed a 3GPP compliant software solution to dramatically improve today’s 4G and 5G networks. Cohere is the inventor of OTFS for 6G. Founded in 2009, Cohere Technologies is headquartered in San Jose, California. | $46M | Series D | Feb 22, 2022 |  |
| ClosedLoop | ClosedLoop is healthcare's data science platform. We make it easy for healthcare organizations to use AI to improve outcomes and reduce costs. Purpose-built for healthcare, ClosedLoop combines an intuitive end-to-end machine learning platform with a comprehensive library of healthcare-specific features and model templates. Customers useClosedLoop's Explainable AI to drive clinical excellence, operational efficiency, value-based contracts, and enhanced revenue. Winner of the CMS AI Health Outcomes Challenge and named Best in KLAS for Healthcare AI: Data Science Solutions 2022 and 2023, ClosedLoop is headquartered in Austin, Texas. | $34M | Series B | Aug 17, 2021 |  |
| reThought Insurance | reThought is a technology-centric MGA focused on product innovation for Commercial Lines. | $13.5M | Series A | Jul 27, 2021 |  |
| AttackIQ | AttackIQ is an automated validation platform that enables organizations to test and measure the effectiveness of their security posture. It supports the MITRE ATT&CK Matrix, a curated knowledge base and model for cyber adversary behavior used for planning security improvements and verifying security defenses work as expected. Its"FireDrill" platform is an open-system or security control validation, SECOPS operator exercise, Red Team augmentation, and analytics. The platform allows teams to maximize their reach and capabilities, overcoming the limitations of time and resources. It also enables users to identify how individual assets in their security program respond to specific attacks.AttackIQ was established in 2013 and is based in San Diego, California. | $44M | Series C | Jul 13, 2021 |  |
| vArmour | VArmour offers data-defined perimeter security solutions for mobile, virtual, and cloud platforms. It specializes in the fields of cybersecurity, mobile, software, and the internet. The company was founded in 2011 and is based in Mountain View, California. | $58M | Venture - Series Unknown | Feb 17, 2021 |  |
| Auth0 | AAuth0 is an identity management platform for application builders and developers. It provides Auth0, a web-scale cloud solution that includes APIs and tools that enable developers to eliminate the friction of authentication and authorization of their applications and APIs.Auth0 enables users to single sign-on for applications running on variousplatforms with various identity providers; add few lines of JavaScript to power their applications; customize various stages of the authentication and authorization pipeline, and connect their applications and APIs to their database of users and passwords. Its platform also allows users to authenticate to active directory, LDAP, SAML, Integrated Windows Authentication, Google Apps, Salesforce, and other IdPs without having to configure firewall; add and remove users, modify profiles and authorization attributes, and identify root cause user login issues; see a stream of recent logins and their locations; and enable various SaaS and SAML-enabled applications.Auth0's solution works with iOS, Android, and Windows Phone 8 platforms. Its platform is used by large and small enterprises, and startups. | $120M | Series F | Jul 14, 2020 |  |

10 of 23 investments shown.

## Co-investors
- [K9 Ventures](https://shizune.co/investors/profile/k9-ventures) — VC Fund, 4 deals together
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 4 deals together
- [Meritech Capital Partners](https://shizune.co/investors/profile/meritech-capital-partners) — VC Fund, 4 deals together
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund, 3 deals together
- [SYN Ventures](https://shizune.co/investors/profile/syn-ventures) — VC Fund, 3 deals together
- [AllegisCyber](https://shizune.co/investors/profile/allegis-capital) — VC Fund, 2 deals together

## About Titanium Ventures

VC Fund · San Francisco, United States

Titanium Ventures identifies and scales the most promising companies across a variety of AI, digital and software sectors by complementing its strong, experienced team with proprietary Data Science insights and its Revenue Acceleration platform.

5 contacts available at Titanium Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Albert Bielinko | Venture/ Growth Investor, Telstra Ventures, Partner | https://shizune.co/investors/profile/albert-bielinko |
| Marcus Bartram | General Partner | https://shizune.co/investors/profile/marcus-bartram |
| Yash Patel | General Partner | https://shizune.co/investors/profile/yash-patel |
| Elaine Pan | Investor | https://shizune.co/investors/profile/elaine-pan |
| Geoff Dolphin | Chief Financial Officer | https://shizune.co/investors/profile/geoff-dolphin |

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## FAQ

### What does Marcus Bartram invest in?

Marcus Bartram invests primarily in Software, Security and Cyber Security startups, most often at Series B and Series C stage. Most of the 23 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Marcus Bartram last invest?

The most recent investment recorded for Marcus Bartram closed in Feb 2025. Shizune tracks 23 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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