Table of Contents
- Totango founders and financing at a glance
- Who is Guy Nirpaz?
- Who is Omer Gotlieb?
- Who is Oren Raboy?
- Why the founders built Totango
- What Totango does
- What makes the founder thesis distinctive?
- Totango financing and transaction history
- What the latest milestone was intended to change
- Founder and company timeline
- The founders' public thesis
- Strengths, risks and unresolved questions
- Evidence to watch over the next 12 to 18 months
- Frequently asked questions
Guy Nirpaz, Omer Gotlieb and Oren Raboy founded Totango, the customer growth, customer success and revenue intelligence platform business now serving customer success, account management, revenue operations and post-sales leadership teams. Guy Nirpaz is Co-founder and former Chief Executive Officer; later Executive Chairman; Omer Gotlieb is Co-founder and former customer and business-development executive; Oren Raboy is Co-founder and former Vice President of Engineering.
The latest material financing milestone covered here is $100M Series D and majority investment, dated 2021-09-29. The relevant total is $135.3M reported across seed through Series D, labelled as Great Hill Partners became majority owner; Totango and Catalyst merged in 2024. It is company-level capital or transaction value—not founder net worth.
Authentic Totango website evidence captured on 21 July 2026.
Totango founders and financing at a glance
| Field | Verified information |
|---|---|
| Founding team | Guy Nirpaz, Omer Gotlieb and Oren Raboy |
| Current or documented roles | Guy Nirpaz: Co-founder and former Chief Executive Officer; later Executive Chairman; Omer Gotlieb: Co-founder and former customer and business-development executive; Oren Raboy: Co-founder and former Vice President of Engineering |
| Company | Totango — totango.com |
| Founded | 2010 |
| Headquarters or operating scope | Redwood City, California, United States; founded by an Israeli team |
| Product category | Customer growth, customer success and revenue intelligence platform |
| Primary customer | Customer success, account management, revenue operations and post-sales leadership teams |
| Latest financing milestone | $100M Series D and majority investment, 2021-09-29 |
| Total or transaction value | $135.3M reported across seed through Series D — Great Hill Partners became majority owner; Totango and Catalyst merged in 2024 |
| Public status | Privately held or part of an acquirer |
| Last verified | 21 July 2026 |
Who is Guy Nirpaz?
Guy Nirpaz is Co-founder and former Chief Executive Officer; later Executive Chairman at Totango. Guy Nirpaz's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Guy Nirpaz on LinkedIn.
Guy Nirpaz in his official Perspective AI founder portrait.
In the founding team, Guy Nirpaz contributed to the combination of product judgment, technical execution and go-to-market work behind Totango. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Who is Omer Gotlieb?
Omer Gotlieb is Co-founder and former customer and business-development executive at Totango. Omer Gotlieb's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Omer Gotlieb on LinkedIn.
Omer Gotlieb in his official Salespeak founder portrait.
In the founding team, Omer Gotlieb contributed to the combination of product judgment, technical execution and go-to-market work behind Totango. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Who is Oren Raboy?
Oren Raboy is Co-founder and former Vice President of Engineering at Totango. Oren Raboy's role should be read in its current context: founder status is permanent, while executive responsibility can change as a company scales, lists publicly or is acquired.
Founder profile: Connect with Oren Raboy on LinkedIn.
Oren Raboy in an attributed CTech founder interview portrait.
In the founding team, Oren Raboy contributed to the combination of product judgment, technical execution and go-to-market work behind Totango. The public evidence does not justify claims about private ownership, personal wealth or undisclosed internal responsibilities.
Why the founders built Totango
Nirpaz, Gotlieb and Raboy built Totango before customer success was an established software category. They argued that subscription companies needed to read the product and relationship signals of every account, translate them into health and lifecycle context, and coordinate action around customer outcomes rather than wait for renewal conversations.
This is documented company history plus editorial assessment. It does not establish private motivations beyond what the founders and company have said publicly.
What Totango does
Totango combines customer management, predictive revenue intelligence and the company's Value Methodology for post-sales teams. Following the Catalyst merger, the portfolio includes the Totango Customer Success Platform, Catalyst and Unison, an AI-powered customer intelligence engine for retention, expansion and customer revenue optimization.
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What makes the founder thesis distinctive?
The CSV names Guy Nirpaz alone. Investor and company records identify Omer Gotlieb and Oren Raboy as co-founders as well. Great Hill Partners became majority owner through the 2021 Series D, and Totango merged with Catalyst in February 2024; Nirpaz is no longer the operating CEO.
Our assessment is that durable differentiation must show up in customer outcomes, workflow adoption, reliable data movement and lower operating cost—not only in feature count or AI branding.
Totango financing and transaction history
| Announcement date | Round or instrument | Amount | Lead or named participants | Reported use | Evidence status |
|---|---|---|---|---|---|
| May 2010 | Seed | $8M reported | Gemini Israel Ventures | Launch the customer-data platform | Reported |
| July 2011 | Series A | $3.8M reported | Gemini Israel Ventures and Pitango | Develop and commercialize customer success software | Reported |
| February 2014 | Series B | $15.5M | InterWest Partners with Pitango and Gemini | Scale customer success adoption | Reported |
| September 2016 | Series C | $8M | Pitango, Canvas Ventures, BGV and investors | Enterprise product and market expansion | Company-reported |
| 29 September 2021 | Series D and majority investment | $100M | Great Hill Partners with BGV, Pitango and Canvas | Accelerate product development and global growth | Company-confirmed |
| — | Current qualified figure | $135.3M reported across seed through Series D | — | — | Great Hill Partners became majority owner; Totango and Catalyst merged in 2024 |
The headline uses $100M Series D and majority investment because it is the clearest recent milestone in the verified record. Different instruments are not silently combined: acquisition consideration, IPO proceeds, primary funding and secondary liquidity have different meanings.
What the latest milestone was intended to change
Public statements connect the milestone to some combination of product investment, AI capability, geographic expansion, hiring, acquisitions or shareholder liquidity. Those plans are attributed intentions, not proof that each outcome occurred. Evidence should include shipped capabilities, adoption, retention, unit economics and customer results after the transaction.
Founder and company timeline
| Period | Milestone |
|---|---|
| 2010 | Nirpaz, Gotlieb and Raboy found Totango. |
| 2011–2016 | Series A through C financing supports the emerging customer-success category. |
| September 2021 | A $100M Series D makes Great Hill Partners the majority owner. |
| 2023 | Nirpaz moves from CEO to Executive Chairman. |
| February 2024 | Totango and Catalyst merge under the Totango name. |
| 2025–2026 | Totango expands customer intelligence and AI through Unison and acquired technology. |
The founders' public thesis
Across the available company history, the founders argue that customer data becomes valuable when operating teams can turn it into timely, coordinated action. The exact emphasis differs by company—category creation, accessibility, data ownership, real-time infrastructure or AI-assisted execution—but the test is similar: can a customer make better decisions without adding hidden complexity?
Strengths, risks and unresolved questions
Visible strengths
- A founding thesis attached to a recurring and measurable marketing workflow.
- Product history and financing evidence available from primary sources.
- A platform broad enough to influence data, orchestration and customer communication.
Material risks
- Predictive revenue and health models require transparent inputs, calibration and human review.
- The platform can concentrate product usage, CRM, support and financial context across customer accounts.
- The $135.3M figure is reported cumulative funding and the $100M Series D is not founder proceeds.
Questions buyers and researchers should ask
- Which founder roles are current, and which describe historical service?
- How is incremental customer or revenue impact measured against a control?
- What data, consent, model and deliverability controls constrain automated action?
- Which transaction amounts were primary capital, secondary liquidity or acquisition consideration?
- What implementation resources are required before the platform produces reliable value?
Evidence to watch over the next 12 to 18 months
Watch for independently explainable retention and expansion, transparent AI evaluation, successful migrations, product delivery tied to the announced financing purpose and current executive-role disclosures. For public companies, filings provide a stronger operating signal than promotional customer counts alone. For private companies, future financing announcements should identify transaction composition clearly.
Frequently asked questions
Who founded Totango?
Totango was founded by Guy Nirpaz, Omer Gotlieb and Oren Raboy.
What does Totango do?
Totango provides customer growth, customer success and revenue intelligence platform capabilities for customer success, account management, revenue operations and post-sales leadership teams.
What is Totango's latest financing milestone?
The latest milestone verified for this profile is $100M Series D and majority investment, dated 2021-09-29.
How much funding has Totango raised?
The qualified figure used here is $135.3M reported across seed through Series D. Its status is Great Hill Partners became majority owner; Totango and Catalyst merged in 2024; it should not be interpreted as founder wealth.
What should buyers verify?
Buyers should test data integration, consent controls, measurement, implementation effort, support, exportability and the limits placed on automated or AI-generated actions.
Tolu S.
Associate Director
Evidence-led product reviews and founder profiles for search, marketing, authority, and AI visibility teams.
