# TONI KERASIOTIS

TONI KERASIOTIS is a remote worker on Himalayas, AI Data Evaluator at Crowdgen / Appen, based in Greece.

Source: https://himalayas.app/@tonikerasiotis

```text
Data analyst and AI evaluator at Crowdgen / Appen, with a Power BI dashboard uncovering discount-driven margin loss.
```

| Detail | Value |
| --- | --- |
| Availability | Looking for a job |
| Location | Greece |
| Authorized to work in | Greece |
| Salary expectations | 40k+ EUR |
| Job categories | Data Analyst, AI Data Evaluator, Economist, Financial Analyst, Trader |
| Skills | Data Analysis, Statistical Analysis, Financial Analysis, Financial Modeling, Power BI, DAX, Power Query, Python, Pandas, NumPy, Scipy, SQL, Excel, Data Cleaning, Data Automation |
| GitHub | https://github.com/toniker10 |

## About

```text
At Crowdgen / Appen, I evaluate audio data for AI model training, following technical guidelines and quality benchmarks. I maintain 95%+ accuracy in this work.

I built a four-page Power BI dashboard analyzing retail sales and profit, using DAX measures to uncover discount-driven margin loss across product categories and states.

My economics projects also include a Python tool for business financial diagnostics and tested, object-oriented simulations of quantitative probability problems. As an independent trader, I’ve designed and backtested algorithmic strategies using Python and Pine Script.
```

## Experience

### AI Data Evaluator (current)

Crowdgen / Appen. Jan 2026 - Present

```text
Ensure 95%+ accuracy in audio data evaluation for AI model training, consistently following technical guidelines and quality benchmarks.
```

Skills: Data-Evaluation, AI-Model-Training, Quality-Assurance, Attention-To-Detail

### Independent Trader – Forex & Indices (current)

Self-Directed. Jan 2020 - Present

```text
Built and continuously refined trading models combining technical and fundamental analysis with disciplined risk management, delivering consistent results across 6+ years of active markets. Designed and backtested algorithmic trading strategies.
```

Skills: Trading, Technical-analysis, Fundamental-analysis, Risk-Management, Python, Pinescript, Algorithmic-Trading, Backtesting

### Academic Support & Tutoring

Volunteer. Jan 2024 - Dec 2025

```text
Provided intensive tutoring in Macroeconomics and Finance, designing personalized study plans that achieved a 90%+ student success rate in examinations.
```

Skills: Tutoring, Macroeconomics, Finance, Study-Plan-Design

## Education

### Panteion University

Certificate in Adult Education, Adult Education

```text
Certificate in Adult Education from Panteion University, completed in 2026.
```

### University of Western Macedonia

Bachelor of Science, International & European Economic Studies

```text
BSc in International & European Economic Studies from the University of Western Macedonia, completed in 2024.
```

## Tech stack

- NumPy
- Pandas
- Python
- Numba
- Gemini
- SQL
- SciPy
- ChatGPT
- Power BI

To contact TONI, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

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