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Thomas Berszieck Email & Phone Number

Teamlead Product Management at rapidmail - Positive
Location: Berlin, Berlin, Germany 10 work roles 1 school
1 work email found @rapidmail.de 2 phones found area 179 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email t****@rapidmail.de
Direct phone (179) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Teamlead Product Management
Location
Berlin, Berlin, Germany
Company size

Who is Thomas Berszieck? Overview

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Quick answer

Thomas Berszieck is listed as Teamlead Product Management at rapidmail - Positive, a company with 11 employees, based in Berlin, Berlin, Germany. AeroLeads shows a work email signal at rapidmail.de, phone signal with area code 179, and a matched LinkedIn profile for Thomas Berszieck.

Thomas Berszieck previously worked as Angel Squad Member at Hustle Fund and Product Management Lead at Heyflow. Thomas Berszieck holds Diplom (Ba), Wirtschaftsinformatik from Vwa-Hochschule Für Berufsbegleitendes Studium.

Company email context

Email format at rapidmail - Positive

This section adds company-level context without repeating Thomas Berszieck's masked contact details.

{first}.{last}@rapidmail.de
89% confidence

AeroLeads found 1 current-domain work email signal for Thomas Berszieck. Compare company email patterns before reaching out.

Profile bio

About Thomas Berszieck

For more than 10 years, I am passionate about building outstanding products. My tools for this are my ability to anticipate market and user needs and then to use real data to challenge my assumptions. As no business is built by an individual, I take great care of my people, so that they can take care of our product.

Listed skills include Produktmanagement, Prozessoptimierung, Product Owner, Agile Methoden, and 6 others.

Current workplace

Thomas Berszieck's current company

Company context helps verify the profile and gives searchers a useful next step.

rapidmail - Positive
Rapidmail - Positive
Teamlead Product Management
germany
Website
Employees
11
AeroLeads page
10 roles

Thomas Berszieck work experience

A career timeline built from the work history available for this profile.

Angel Squad Member

As a member of Hustle Funds Angel Squad I support early stage startups with knowledge and funding.

Product Management Lead

Berlin, Germany

  • I joined Heyflow as their first Product Manager with the task to setup a sound Product Management practice, incorporating tools and processes that support the hypergrowth of the company. I am currently leading and.
  • Established end-to-end processes for Product Discovery, Delivery and Operations leading to 27% increase in velocity meanwhile significantly improving the predictability of our product roadmap.
  • Improved the user onboarding leading to a 114% increase in user activation and 53% increase in 90 day retention.
  • Led the discovery and delivery of an A/B testing feature that resulted in 37% increased user engagement and 12% increased retention.
Sep 2022 - Mar 2024

Senior Product Manager

Berlin, Deutschland

  • I joined Bridgemaker to bring my expertise to Venture Building, deepen my early stage knowledge and help new ventures release awesome products:
  • aboDeinauto: By running detailed user surveys and constant tests, I re-shaped the understanding of the target customer which led to an increase of the conversion rate by 194%.
  • flexi-immovation: Together with one designer, we released 2 different landing pages within 1 week and converted 34 users into testing our offer that ultimately led to a successful venture.
  • ATOLL: Released a new landing page within 2 weeks that included a state-of-the-art configurator based on low-code tools in order to kick-off the venture.
  • Tracie Healthcare: Acting as Head of Product for the venture, I defined Product Vision, Strategy and Roadmap for the re-release of this existing pre-analytics solution. I establishing the discovery and delivery.
Mar 2021 - Jan 2022

Head Of Product Management

Berlin Und Umgebung, Deutschland

  • I joined GotPhoto as their first Product Manager. My responsibilities included building and scaling a sound Product Management for the company. Towards the end of my tenure, I was in charge of the whole Tech Department.
  • Streamlined the agile processes by introducing 1-week sprints and a 0 bug policy thus improving Sprint Velocity by 17%.
  • Introduced constant discovery & experimenting leading in 20+ major and minor system improvements helping GotPhoto reach an NPS of 63.
  • Released an updated version of the shop system, leading to 7% increased basket size and 5% improved conversion.
  • Lead discovery and delivery of an Editing Service which is now a core part of the offering with 4% revenue contribution.
  • Bootstrapped a successful market entry to the US with the release of the prepay feature that totals for 63% of US GMV.
Feb 2017 - Feb 2021

Professional Business Analyst / Product Owner

Bern Und Umgebung, Schweiz

Moving into my first internal position, I was finally able to conduct projects from beginning to end, making sure all parts of the delivery were successful. Amongst those projects, I was in charge for the conductors app of the SwissPass, which had been seamlessly rolled out on August 1 2015 to over 250 connected transportation companies.

Jul 2013 - Jan 2017

Consultant

Zürich Und Umgebung, Schweiz

Applying my previous knowledge, I revamped our customers Software Asset Management, getting the organisation ready for ad-hoc audits and saving hundreds of thousands of Swiss Francs in license and penalty fees.

Aug 2012 - Jun 2013

Analyst

Düsseldorf, Nordrhein-Westfalen, Deutschland

My work at Accenture defined the baseline of my professional life. I learned how to structure and run large projects, setup sound reporting structures and build stakeholder management based on reliability and trust.

Oct 2007 - Aug 2010

Student Employee

Ibm
Oct 2004 - Sep 2007
Team & coworkers

Colleagues at rapidmail - Positive

Other employees you can reach at rapidmail.de. View company contacts for 11 employees →

1 education record

Thomas Berszieck education

FAQ

Frequently asked questions about Thomas Berszieck

Quick answers generated from the profile data available on this page.

What company does Thomas Berszieck work for?

Thomas Berszieck works for rapidmail - Positive.

What is Thomas Berszieck's role at rapidmail - Positive?

Thomas Berszieck is listed as Teamlead Product Management at rapidmail - Positive.

What is Thomas Berszieck's email address?

AeroLeads has found 1 work email signal at @rapidmail.de for Thomas Berszieck at rapidmail - Positive.

What is Thomas Berszieck's phone number?

AeroLeads has found 2 phone signal(s) with area code 179 for Thomas Berszieck at rapidmail - Positive.

Where is Thomas Berszieck based?

Thomas Berszieck is based in Berlin, Berlin, Germany while working with rapidmail - Positive.

What companies has Thomas Berszieck worked for?

Thomas Berszieck has worked for Rapidmail - Positive, Hustle Fund, Heyflow, Bridgemaker Gmbh, and Fotograf.De | Gotphoto.Com.

Who are Thomas Berszieck's colleagues at rapidmail - Positive?

Thomas Berszieck's colleagues at rapidmail - Positive include Julia Zabiensky, Jasmin Zeller, Lea Elsesser, Elisabeth Szwillus, and Anna-Lena Deckers.

How can I contact Thomas Berszieck?

You can use AeroLeads to view verified contact signals for Thomas Berszieck at rapidmail - Positive, including work email, phone, and LinkedIn data when available.

What schools did Thomas Berszieck attend?

Thomas Berszieck holds Diplom (Ba), Wirtschaftsinformatik from Vwa-Hochschule Für Berufsbegleitendes Studium.

What skills is Thomas Berszieck known for?

Thomas Berszieck is listed with skills including Produktmanagement, Prozessoptimierung, Product Owner, Agile Methoden, Scrum, Kanban, Product Roadmapping, and User Story Mapping.

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