# Arun Diaz

> Arun Diaz is a seed investor in Mumbai backing Solar and Energy. See 3 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Location: Mumbai, India
- Total investments: 3
- Last investment: Nov 2019
- Lead investor: 33%
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/in/arun-diaz-70b606/

Arun Diaz is a seed investor in Mumbai focused on Solar and Energy. Arun Diaz is the Director at Vortex Engineering Pvt. Ltd. He attended London Business School.

## Contacts

5 contacts available for Arun Diaz: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/arun-diaz?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Solar | 1 | 33% |
| Energy | 1 | 33% |
| Charity | 1 | 33% |
| Analytics | 1 | 33% |
| CleanTech | 1 | 33% |

10 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Angel | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Quikkloan | Quikkloan is a credit scoring analytics-based marketplace for loans. |  | Seed | Nov 18, 2019 | https://x.com/quikkloan |
| Donatekart | They are India's first 100% transparent online donation platform for charities, where people can directly donate products needed instead of cash. Their vision is to bring more transparency to online donations so that they provide an opportunity for every Indian & NRI to give back to the society confidently. They delivered more than 4Million products worth 8 crores from 55,000+ donors to 700+ NGOs across India. Join Donatekart in Delivering Happiness. | $361.7K | Seed | Mar 05, 2019 | https://www.donatekart.com/ |
| ZunRoof | ZunRoof is a home-tech startup bringing smart and clean energy for solar rooftop systems. The company solving electricity issues of India through rooftop solar and monitoring electrical appliances in homes. For rooftop solar, they have an app to manage end to end experience of going solar with three modules design, delivery, and diagnostics. Theirdesign part is powered by image processing and VR and to customise panel placement for aesthetics and maximum output. ZunRoof provides an end-to-end solution for Solar power plants on rooftops free energy audit, customized design to optimize ROI and make your rooftops look classy, financing support and delivery from well-trained installers. They have the fastest delivery time in India, owing to their internal tools and practices. On top of it, their IOT device for solar diagnostics ensures to get the right output through the lifecycle of solar panels. For electrical appliances in homes, they are providing sense and control of their usage.ZunRoof was founded in 2016 and is headquartered in Gurgaon, Haryana, India, | $158.4K | Angel | Dec 15, 2018 | http://www.zunroof.com/ |

3 of 3 investments shown.

## Co-investors
- [Angelbay](https://shizune.co/investors/profile/angelbay-holdings) — VC Fund, 1 deal together
- [LVX Ventures](https://shizune.co/investors/profile/letsventure) — VC Fund, 1 deal together

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## Featured in investor lists
- [Clean Energy Angel Investors in India](https://shizune.co/investors/clean-energy-angel-investors-india)

## FAQ

### What does Arun Diaz invest in?

Arun Diaz invests primarily in Solar, Energy and Charity startups, most often at Seed and Angel stage. Most of the 3 investments tracked by Shizune back companies in India. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Arun Diaz?

Public channels for Arun Diaz 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 Arun Diaz last invest?

The most recent investment recorded for Arun Diaz closed in Nov 2019. Shizune tracks 3 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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