Cem Sertoglu
Co-Founder and Managing Partner @ Earlybird Venture Capital
New York, United States
Cem Sertoglu is a seed investor at Earlybird Venture Capital in New York focused on E-Commerce and Marketplace. Cem Sertoglu is based out of New York, New York and is the managing partner of Bek Ventures. Cem previously worked at Earlybird Venture Capital as a managing partner of Digital East Fund. Cem Sertoglu attended the University of Texas at Austin.
- Total investments:
- 46
- Last investment:
- Lead investor:
- 48%
Last updated:
For AI agents: llms.txt
Industries Cem Sertoglu invests in
Stages Cem Sertoglu invests in
Countries Cem Sertoglu invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $500k–$2.5M
- Series A
- $1.5M–$45M
- Series B
- $5M–$80M
Investment Focus
Industry
- E-Commerce 2 (4%)
- Marketplace 2 (4%)
- Financial Services 2 (4%)
- CRM 1 (2%)
- Solar 1 (2%)
Stage
- Seed 7 (15%)
- Series A 6 (13%)
- Series B 4 (9%)
- Series C 3 (7%)
- Series D 2 (4%)
Country
- Turkey 5 (11%)
- United States 5 (11%)
- Germany 1 (2%)
- Ireland 1 (2%)
- United Kingdom 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Vitvio drives efficiency, safety, and quality of care in the operating theater by tracking workflows, staff movement, and equipment positioning using the latest computer vision AI technologies. | $8M / Seed / Oct 23, 2025 | ||
| Midas is the first neobroker of Turkey, providing zero commission Turkish and American stocks. | $80M / Series B / Aug 19, 2025 | ||
| Picus developed a novel and holistic approach to IT security: Continuous Security Validation. The Picus Security Validation Platform simulates real-world cyber threats to evaluate and optimize cybersecurity measures, ensuring organizations are prepared for potential security breaches. Picus enables businesses to test their security controlscontinuously, identifying gaps and weaknesses in their defenses. The company's technology integrates with existing security tools, providing actionable insights to enhance an organization’s ability to detect, prevent, and respond to cyber-attacks. | $45M / Series C / Sep 19, 2024 | ||
| Midas is the first neobroker of Turkey, providing zero commission Turkish and American stocks. | $45M / Series A / Apr 19, 2024 | ||
| Vitvio drives efficiency, safety, and quality of care in the operating theater by tracking workflows, staff movement, and equipment positioning using the latest computer vision AI technologies. | $2M / Pre-Seed / Mar 30, 2024 | ||
| Upstash develops serverless data platform for developers of data-intensive applications using a consumption-based pricing model. | $10M / Series A / Feb 08, 2024 | ||
| Upstash develops serverless data platform for developers of data-intensive applications using a consumption-based pricing model. | $1.9M / Seed / Mar 17, 2022 | ||
| Picus developed a novel and holistic approach to IT security: Continuous Security Validation. The Picus Security Validation Platform simulates real-world cyber threats to evaluate and optimize cybersecurity measures, ensuring organizations are prepared for potential security breaches. Picus enables businesses to test their security controlscontinuously, identifying gaps and weaknesses in their defenses. The company's technology integrates with existing security tools, providing actionable insights to enhance an organization’s ability to detect, prevent, and respond to cyber-attacks. | $24M / Series B / Oct 20, 2021 | ||
| N26 offers mobile banking solutions to customers in the European Union through its subsidiary. It provides international money transfer, investment, overdraft, and cash withdrawal and deposits at stores. N26 provides mobile banking services for customers. Its mobile banking services offer online banking that includes making and handling ofcurrent accounts, fixed accounts, and other banking services, letting customers manage and control their banking details via a smartphone application easily.Maximilian Tayenthal and Valentin Stalf founded Papayer in February 2013, which later became N26, with its headquarters in Berlin in Germany. | $36.2M / Series D / Feb 26, 2021 | ||
| N26 offers mobile banking solutions to customers in the European Union through its subsidiary. It provides international money transfer, investment, overdraft, and cash withdrawal and deposits at stores. N26 provides mobile banking services for customers. Its mobile banking services offer online banking that includes making and handling ofcurrent accounts, fixed accounts, and other banking services, letting customers manage and control their banking details via a smartphone application easily.Maximilian Tayenthal and Valentin Stalf founded Papayer in February 2013, which later became N26, with its headquarters in Berlin in Germany. | $100M / Series D / May 05, 2020 | ||
| See all 46 investments → | |||
Co-Investors
Founded in 1997, Earlybird invests in all development and growth phases of technology companies. Among the most experienced venture investors in Europe, Earlybird offers its portfolio companies not only financial resources but also strategic support plus access to an international network and capital markets. With EUR 2 billion under management, eight IPOs and 30 trade sales, Earlybird is one of the most established and active venture capital firms in Europe.
Earlybird Venture Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Andre Retterath
Principal
|
|||
Annette Schiering
Financial Analyst
|
|||
Catrin Schmidt
Team Assistant
|
|||
|
Cem Sertoglu
Co-Founder and Managing Partner
|
|||
Christian Nagel
Managing Partner
|
Access 48,091 investors
822 industries, 177 countries. Updated daily. Emails and phones included.
Browse database — It's Free!
Find investors for your startup
Search 48,091 investors by industry and country. Emails and phones included.
Similar Investors
Similar industry
Similar stage
Similar country
Featured in Investor Lists
Recommended lists
FAQ
What does Cem Sertoglu invest in?
Cem Sertoglu invests primarily in E-Commerce, Marketplace and Financial Services startups, most often at Seed and Series A stage. Most of the 46 investments tracked by Shizune back companies in Turkey. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Cem Sertoglu invest in?
Cem Sertoglu typically joins rounds of $500k–$2.5M at Seed, $1.5M–$45M at Series A and $5M–$80M at Series B. These are whole funding-round sizes, not Cem Sertoglu's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Cem Sertoglu took part in.
How do I contact Cem Sertoglu?
Public channels for Cem Sertoglu include LinkedIn, X (Twitter) and the website linked on this profile. 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 Cem Sertoglu last invest?
The most recent investment recorded for Cem Sertoglu closed in Oct 2025. Shizune tracks 46 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
Contact your first 100 investors today
Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.
Find investors — It's Free!
Continue with Google
Continue with LinkedIn
