Book a call with mentor Sergey Keller career expert is verified on the platform

Sergey Keller

Growth Engineer @ Apollio.ioGrowth Engineer @

career expert works at Works at Lives in Poland

Passionate technology maker with 8 years of diverse experience ranging from software development and data science to product management.

Spreading the knowledge of my craft to help people self-actualize.
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Cost: $50.00/call


Showing last 3 jobs

Angel Investor

When did the career coach work at a company? April 2022 - Present

Senior Growth Product Manager

When did the career coach work at a company? November 2021 - Present

Lead Product Manager

When did the career coach work at a company? April 2021 - November 2021

Software Engineer

When did the career coach work at a company? August 2015 - July 2016

Software Engineer

When did the career coach work at a company? May 2015 - August 2015


Frequently Asked Questions

When you find the mentor that you want to speak with, click on the blue Book a Call button to set up a time to talk to him or her. You will be able to connect with them via Zoom or Google Meet on a date that you select.

To prevent users from abusing the system and respect the mentors' time, we don't provide free calls. However, if you are not satisfied with your session, you can request a refund up til 7 days after your first session. No questions asked.

Sessions are 30 minutes long. It's important that you tell us what you want to talk about on the booking form so that the mentor can prepare beforehand. Most mentees find that 30 minutes is enough time to get the advice they need to get unstuck.

Yes. Many mentees book mentors on a weekly or biweekly basis. Phone calls are so productive that you'll find that you'll have some action items after the call. Once you've handled these items, you might want to book another call.

Experts want to help. They want to give back to the community that helped them succeed. Speaking with smart, serious people is a win-win situation for them as they get to learn too.

Each mentor page has the expert's job title and areas of expertise. Please read their bio to see what they can help you. We have experts who specialize in different areas such as product management, design, marketing, business, and software engineering. We have successful entrepreneurs who founded and sold multi-million dollar tech companies, sold companies, and raised millions in venture funding.

When you book a call, we determine your timezone and will suggest times that will work for you and the mentor. We have mentors available worldwide. The time you see where it says "Next Available" is the time in your timezone.

You can reschedule or cancel sessions up til 24 hours before a session. If you cancel a session less than 24 hours before, you will not receive a refund. Cancelling or rescheduling on a short notice might lead to your account to be deactivated.

To get the most out of your session, we recommend that you do the following:

  • Be clear about your goals
  • Be prepared to share information
  • Be open to feedback
  • Be willing to ask questions

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