# Geraldo Sirotsky Melzer

> Geraldo Sirotsky Melzer is a seed investor at ABSeed Ventures backing Software. See 8 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [ABSeed Ventures](https://shizune.co/investors/profile/a-b-seed-ventures)
- Location: São Paulo, Brazil
- Total investments: 8
- Last investment: Nov 2023
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/geraldomelzer/

Geraldo Sirotsky Melzer is a Co-founder & Founding Partner at A.B.Seed Ventures company.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 6 | 75% |
| Artificial Intelligence | 4 | 50% |
| SaaS | 3 | 38% |
| Big Data | 2 | 25% |
| Computer | 2 | 25% |

21 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 6 | 75% |
| Series A | 1 | 13% |
| Funding Round | 1 | 13% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Brazil | 7 | 88% |
| Ecuador | 1 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Construex | Construex is a B2B SaaS construction marketplace for Latin America. We bring together suppliers and users of constructions supplies and services. We are bringing digital commerce to a huge industry ruled by legacy commerce. | $4.6M | Seed | Nov 27, 2023 |  |
| EPOC Tech | OZ Technology is a provider of innovative solutions and technology for foodservice and entertainment that transform customer service. Oz Technology offers a wide range of products that cater to the evolving needs of the gastrobar segment. OZ Technology ensures efficiency, information control, increased profitability, and fast service at any timefor companies in various sectors. We are pioneers in the digital transformation of the food service and entertainment marketrevolutionizing the guest experience with top-tier technology and innovative solutions. Market leader of intelligent sales and customer relationship systems for bars, restaurants and nightclubs, that scale the revenue and business to higher levels. A OZ Technology delivers a series of integrated softwares that adapt to the ever evolving necessities of the food & beverages market, with a single goal: We empower the bar and restaurant community to amaze their guests, do what they were born to do and reach their true potential, while we handle all the rest. | $1.4M | Seed | Sep 02, 2022 |  |
| Gedanken | Gedanken uses AI, big data and machine learning solutions for risk mitigation, supplier approval process and onboarding process automation. | $708.5K | Seed | Oct 28, 2021 |  |
| Asksuite | Asksuite is an omnichannel intelligent communication conversational booking solution for hotels, chains and resorts. | $756K | Seed | Aug 04, 2020 |  |
| Leads2b | Leads2b is a technology solutions company that specializes in the generation of Leads in the B2B market. Using big data and artificial intelligence, Leads2b nourishes with market information an automated prospecting process, increasing the effectiveness of the business sector so that its clients achieve their goals.The company was founded in 2014and is based in Curitiba, Brazil. | $1.8M |  |  |  |
| Arqgen | Arqgen develops generative and AI-based software designed for multi-scale architectural designs. |  | Seed |  |  |
| Aegro | Aegro provides SaaS to replace old ways of dealing with agrarian data, largely based on paper and pencil or legacy software and generic tools that were never really designed for the job. Its solution is a management tool for the agricultural production system encompassing financial, productivity, and commercial management.Aegro was founded in2014 and is based in Porto Alegre, Brazil. |  | Series A |  |  |
| Movidesk | Movidesk is a software provider that facilitates and streamlines customer service. Specialized in creating connections between companies and their clients, it offers a service platform that integrates multiple channels and manages all communication in one place. Movidesk was established in 2016 and is based in Blumenau, Brazil. |  | Seed |  |  |

8 of 8 investments shown.

## Co-investors
- [Terracotta Ventures](https://shizune.co/investors/profile/terracotta-ventures) — VC Fund, 2 deals together
- [BR Angels](https://shizune.co/investors/profile/br-angels) — VC Fund, 1 deal together
- [Caravela Capital](https://shizune.co/investors/profile/caravela-capital) — VC Fund, 1 deal together
- [Fifth Wall](https://shizune.co/investors/profile/fifth-wall-ventures-management) — VC Fund, 1 deal together
- [Zacua Ventures](https://shizune.co/investors/profile/zacua-ventures) — VC Fund, 1 deal together

## About ABSeed Ventures

VC Fund · New York, United States

A.B.Seed Ventures focuses on SaaS and B2B recurrence models already in operation, with signposts of user engagement with products and services. It seeks founders with proven experience in space, complementary skills and total commitment to the business.

2 contacts available at ABSeed Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Felipe Ribeiro | Investor | https://shizune.co/investors/profile/felipe-ribeiro-9c2c |
| Geraldo Sirotsky Melzer | Founding Parrtner & Co-founder | https://shizune.co/investors/profile/geraldo-sirotsky-melzer |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Geraldo Sirotsky Melzer invest in?

Geraldo Sirotsky Melzer invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Series A stage. Most of the 8 investments tracked by Shizune back companies in Brazil. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Geraldo Sirotsky Melzer last invest?

The most recent investment recorded for Geraldo Sirotsky Melzer closed in Nov 2023. Shizune tracks 8 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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