# Slava Agafonov

> Slava Agafonov is a pre-seed investor at Energsoft (Seattle) backing SaaS and Battery. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Energsoft](https://shizune.co/investors/profile/energsoft-inc)
- Location: Seattle, United States
- Total investments: 4
- Last investment: Jan 2021
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/agafonovslava/
- X (Twitter): https://twitter.com/agafonovslava
- Website: https://energsoft.com

Slava Agafonov is a pre-seed investor at Energsoft in Seattle focused on SaaS and Battery. Technical leader and architect in enterprise software including S&P 500 customers for Microsoft. Built web portals for IBM with Team International, created medical FDA-approved devices with Medtronic over Global Logic. , and certified phone station in telecom business over the globe with Alcatel over Altron. Excellent background in distributedsystems, artificial intelligence, and Big Data. Passionate about tuning robust, high-performance systems that scale well. Two Master's degrees in Technical Management from Foster School of Business - The University of Washington in the USA and also computer science masters from Kharkiv Aerospace University in Ukraine. Slava received customer obsessions awards in Microsoft and always acting as a bridge from business to technology with a pioneering spirit. Viacheslav is passionate about leadership roles on strategic and impact projects with metrics-driven, high-performance, and scalable development. Expert in lean software development - it means rapid, agile prototyping with development cycles that fail fast to learn quickly and to apply innovative solutions in iterations. Clients hire me to develop new software products for innovative markets that are rapidly growing. They know that the best products come from great empathy and customer insights, but also require courage, hard work, and perseverance.

## Round sizes

| Stage | Round size |
| --- | --- |
| Pre-Seed | $25k–$150k |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 1 | 25% |
| Battery | 1 | 25% |
| Big Data | 1 | 25% |
| Machine Learning | 1 | 25% |
| Energy Efficiency | 1 | 25% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Energsoft | Energsoft provides an artificial intelligence-driven business to business (B2B) software as a service (SaaS) platform with state of the art visualization and analytics tools for companies that manufacture or use energy storage devices. The company's platform tracks thousands of batteries, ultracapacitors, and energy storage systems from earlyR&D to the field. Batteries present a special challenge for technology and product developers due to the broad range and extent of characterization data including extensive cycling curves, impedance, and aging data which varies across processing, environmental, and use cases.It was founded in 2018 and headquartered in Seattle, Washington. | $150K | Pre-Seed | Jan 01, 2021 |  |
| Energsoft | Energsoft provides an artificial intelligence-driven business to business (B2B) software as a service (SaaS) platform with state of the art visualization and analytics tools for companies that manufacture or use energy storage devices. The company's platform tracks thousands of batteries, ultracapacitors, and energy storage systems from earlyR&D to the field. Batteries present a special challenge for technology and product developers due to the broad range and extent of characterization data including extensive cycling curves, impedance, and aging data which varies across processing, environmental, and use cases.It was founded in 2018 and headquartered in Seattle, Washington. | $50K | Pre-Seed | May 20, 2020 |  |
| Energsoft | Energsoft provides an artificial intelligence-driven business to business (B2B) software as a service (SaaS) platform with state of the art visualization and analytics tools for companies that manufacture or use energy storage devices. The company's platform tracks thousands of batteries, ultracapacitors, and energy storage systems from earlyR&D to the field. Batteries present a special challenge for technology and product developers due to the broad range and extent of characterization data including extensive cycling curves, impedance, and aging data which varies across processing, environmental, and use cases.It was founded in 2018 and headquartered in Seattle, Washington. | $100K | Pre-Seed | Jun 16, 2018 |  |
| Energsoft | Energsoft provides an artificial intelligence-driven business to business (B2B) software as a service (SaaS) platform with state of the art visualization and analytics tools for companies that manufacture or use energy storage devices. The company's platform tracks thousands of batteries, ultracapacitors, and energy storage systems from earlyR&D to the field. Batteries present a special challenge for technology and product developers due to the broad range and extent of characterization data including extensive cycling curves, impedance, and aging data which varies across processing, environmental, and use cases.It was founded in 2018 and headquartered in Seattle, Washington. | $25K | Pre-Seed | Mar 20, 2018 |  |

4 of 4 investments shown.

## Co-investors
- [Microsoft for Startups](https://shizune.co/investors/profile/microsoft-for-startups) — VC Fund, 1 deal together

## About Energsoft

VC Fund · Seattle, United States

Energsoft provides an artificial intelligence-driven business to business (B2B) software as a service (SaaS) platform with state of the art visualization and analytics tools for companies that manufacture or use energy storage devices. The company's platform tracks thousands of batteries, ultracapacitors, and energy storage systems from earlyR&D to the field. Batteries present a special challenge for technology and product developers due to the broad range and extent of characterization data including extensive cycling curves, impedance, and aging data which varies across processing, environmental, and use cases.It was founded in 2018 and headquartered in Seattle, Washington.

2 contacts available at Energsoft.

| Name | Title | Profile |
| --- | --- | --- |
| Slava Agafonov | Founder & CEO | https://shizune.co/investors/profile/viacheslav-agafonov |
| Vladimir Borovick | CTO | https://shizune.co/investors/profile/vladimir-borovick |

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## FAQ

### What does Slava Agafonov invest in?

Slava Agafonov invests primarily in SaaS, Battery and Big Data startups, most often at Pre-Seed stage. Most of the 4 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 Slava Agafonov's check size?

Slava Agafonov typically joins rounds of $25k–$150k at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Slava Agafonov participates in.

### When did Slava Agafonov last invest?

The most recent investment recorded for Slava Agafonov closed in Jan 2021. Shizune tracks 4 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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