John Brennan
Managing Director @ Silver Lake
San Francisco Bay Area, United States
John Brennan is a private equity investor at Silver Lake in San Francisco Bay Area focused on Software and SaaS. John Brennan is the Founder & General Partner at Sumeru Equity Partners He has significant experience as a senior executive in technology companies and in strategy consulting. Prior to joining Silver Lake Sumeru, John held senior management positions at Adobe Systems, Hewlett-Packard Company and Accenture Strategic Services. John holds degreesfrom Yale University and the University of California, Berkeley.
- Total investments:
- 9
- Last investment:
- Lead investor:
- 56%
Last updated:
For AI agents: llms.txt
Industries John Brennan invests in
Stages John Brennan invests in
Countries John Brennan invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $7.2M–$9M
- Private Equity
- $34M–$300M
Investment Focus
Industry
- Software 6 (67%)
- SaaS 3 (33%)
- Enterprise Software 3 (33%)
- Big Data 2 (22%)
- Advertising 2 (22%)
Stage
- Private Equity 5 (56%)
- Seed 2 (22%)
- Series B 1 (11%)
- Funding Round 1 (11%)
Country
- United States 3 (33%)
- Israel 2 (22%)
- Canada 1 (11%)
- France 1 (11%)
- Switzerland 1 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Happiness is the best driver for success.Their mission is to make the workforce of their customers happy. beqom drives happiness by allowing business managers to lead, align and motivate employees and partners. The beqom Total Compensation platform is used globally across all industry sectors by over 100 large companies such as Microsoft andVodafone. It addresses all Performance and Compensation aspects such as Salary Review, Bonus, Long-Term Incentives, Commissions, Benefits, Non-cash rewards and all key drivers towards Employee Performance and Sales Performance. HR, Sales and Finance organizations leverage their platform to drive performance, retention, cost optimization and... happiness among their people.beqom – to make your people happy. | $299.9M / Private Equity / Apr 12, 2022 | ||
| Cycode is the industry’s first source code control, detection, and response platform. Its Source Path Intelligence engine seamlessly delivers comprehensive visibility into all of your code and automatically detects and responds to anomalies in its access, movement, and usage. With Cycode, organizations are “Secured to The Source”; its solutionempowers security teams to rapidly and dramatically reduce the risk of source code loss without impacting developer access or productivity. | $56M / Series B / Nov 30, 2021 | ||
| Piiano develops privacy engineering infrastructure for cloud-native applications. | $9M / Seed / Oct 26, 2021 | ||
| Loopio’s RFP response software streamlines the way enterprises respond to RFPs, RFIs, and Security Questionnaires. Our platform makes sales content accessible and enables collaboration across the organization.Since 2014, Loopio has empowered hundreds of world-leading organizations, including Thomson Reuters, IBM, Netskope, Sprinklr, and Citrix.Learn more at www.loopio.com | $199.3M / Private Equity / Mar 01, 2021 | ||
| Ceros is a cloud-based experiential content creation platform that empowers marketers and designers to create rich, interactive content without code or traditional web development. | $100M / Private Equity / Jul 23, 2020 | ||
| Influans' campaigns are thirty times more efficient than typical digital marketing campaigns - the best of which deliver only limited returns. Created by big data veterans, the Influans cloud platform leverages the most advanced big data and machine learning technologies. It enables any brand or retailer to deploy ultimate personalizationcampaigns, that target the right person with the right deal, at the right time via the right channel, with no technical expertise. | $7.2M / Seed / Sep 14, 2017 | ||
| Talend is a leader in cloud data integration and data integrity, enables companies to transform by delivering trusted data at the speed of business. Talend Data Fabric offers a single suite of apps that shortens the time to trusted data by solving some of the most complex aspects of the data value chain. Users can collect data across systems,govern it to ensure proper use, transform it to new formats and improve quality, and share it with internal and external stakeholders. | $40M / Dec 11, 2013 | ||
| Opera Solutions is a global provider of advanced analytics software solutions that address the persistent problem of scaling Big Data analytics. Signal Hub™, the company’s flagship technology platform, extracts and applies insights from the most complex data environments to address multiple business problems and opportunities, accelerating targetedbusiness actions and radically reducing time-to-value.Opera Solutions serves some of the world’s most respected businesses in the financial services, healthcare, travel, hospitality, retail, and telecommunications industries, as well as key government entities. The Signal Hub platform touches hundreds of millions of consumers across many leading companies, with a specific focus on dramatically increasing revenue from existing customers while introducing new capabilities that drive competitive advantage. The key innovation behind Signal Hub is its ability to deliver data science at scale. The end-to-end platform automatically creates Signals, which can be shared, reused, and applied to multiple use cases throughout the enterprise. Machine learning technologies keep the Signals relevant, fresh, and accurate. This approach eliminates redundancies and the need to return to the raw data for each use case, resulting in a significant improvement in productivity. In this way, Signal Hub’s proprietary technology enables enterprises to overcome what has become the primary obstacle to large-scale adoption of advanced analytics: solving the scalability challenge. Opera Solutions has offices in North America, Europe, and Asia. | $84M / Private Equity / Sep 14, 2011 | ||
| Talend is a leader in cloud data integration and data integrity, enables companies to transform by delivering trusted data at the speed of business. Talend Data Fabric offers a single suite of apps that shortens the time to trusted data by solving some of the most complex aspects of the data value chain. Users can collect data across systems,govern it to ensure proper use, transform it to new formats and improve quality, and share it with internal and external stakeholders. | $34M / Private Equity / Nov 10, 2010 |
Co-Investors
About Silver Lake
Silver Lake is a global technology investment firm focused solely on making large-scale investments in leading technology companies.They are partners to world-class management teams that seek to use their capital and expertise to build and extend their market leadership. seeks to formulate its investments to enable growth and frequently employsconservative capital structures designed to drive aggressive investment in new initiatives, innovation, and business expansion.Their core investment thesis is that the technology industries represent an extraordinary yet under-exploited target for large-scale private investments. The firm also seeks to cultivate proprietary or specialized investment opportunities not typically available to generalist investors. It devotes its full scope of talent and intellectual capital to the singular mission of investing in the world’s technology, technology-enabled businesses, and related growth businesses.Silver Lake was established in 1999 by David Roux, Glenn Hutchins, Jim Davidson, and Roger McNamee and is based in Menlo Park, California.
Silver Lake Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Ajay Shah
Sumeru Founding Managing Partner
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Bryce Lee
Managing Director, Head of Business Development and Co-Head of Fundraising and Investor Relations
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Christian Lucas
Managing Director
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David Roux
Co-Founder & Senior Director
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David Zhang
Director
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FAQ
What does John Brennan invest in?
John Brennan invests primarily in Software, SaaS and Enterprise Software startups, most often at Private Equity and Seed stage. Most of the 9 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is John Brennan's check size?
John Brennan typically joins rounds of $7.2M–$9M at Seed and $34M–$300M at Private Equity. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds John Brennan participates in.
How do I contact John Brennan?
Public channels for John Brennan include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did John Brennan last invest?
The most recent investment recorded for John Brennan closed in Apr 2022. Shizune tracks 9 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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