Tom Siebenaler - Founder & Owner

Augsburg, Germany

Experience

May 2023 - Present

2 years 8 months

Founder & Owner

Seven Trees HR Consulting

Providing support and guidance to small and medium-sized companies as an HR interim manager and HR consultant

Apr 2022 - Apr 2023

1 year 1 month

Munich, Germany

Head of HR

Omega AG

Designed and structured the newly established HR department
Acted as a strategic sparring partner for the executive team and management
Responsible for day-to-day HR operations including recruitment, HR business partner role, and personnel administration
Recruitment: assessing staffing needs, conducting interviews, drafting contracts, and onboarding new employees
HR business partner role: advising and supporting managers and employees on all HR matters
Personnel administration: point of contact for labor and social security law issues and performing pre-accounting payroll
Implementation of Personio (HR software): digital personnel files, setup for five entities, workflows, recruitment module, and absence management
Supported change and organizational development processes
Direct managerial responsibility for one employee

Jan 2021 - Mar 2022

1 year 3 months

Munich, Germany

Senior Consultant

Mercer Deutschland GmbH

Implemented a career model and performance management system for leaders (industries: finance, transport, manufacturing)
Identified future competencies/skills and developed a competency model (industries: pharma, retail, manufacturing)
Planned and executed a strategic workforce planning process (industries: finance, energy)
Carried out HR strategy projects (industries: retail, chemicals): identified future action areas and developed a roadmap
Independently led projects and provided technical leadership to (junior) consultants

Jul 2018 - Oct 2020

2 years 4 months

Aschheim, Germany

Organizational Development Manager

Wirecard AG

Proactively advised and supported 26 international locations (EMEA, APAC, AMER) in implementing and optimizing organizational structures
Presented results to top management and various steering committees
Facilitated and conducted workshops and training sessions
Independently designed, planned, and executed complex HR projects on a global scale
Implemented a global job architecture and integrated it into Workday
Designed and rolled out career paths
Aligned global role and competency profiles for strategic key positions

Sep 2014 - Jun 2018

3 years 10 months

Vienna, Austria

HR Consultant

Knowledge Markets Consulting

Supported clients throughout the entire project cycle (sales pitches, requirements workshops, project support, evaluation)
Prepared, implemented, and monitored multi-source/360-degree feedback processes with up to 500 feedbacks per process
Advised clients on digitally mapping their talent development programs and change processes

Summary

Passionate HR expert with 10 years of professional experience in: HR strategy & business partnering, HR administration, personnel and organizational development, HR digitization (e.g., Personio), HR consulting, and recruiting.

Skills

Microsoft Office: Word, Excel, Powerpoint
Hr Software: Personio, Workday, 2know2.com, Perbit, Perview
Communication: Trello, Slack, Asana

Languages

Luxembourgish

Native

German

Advanced

English

Advanced

French

Advanced

Education

Mar 2014 - Jul 2017

Vienna University of Economics and Business

PhD in Economics · Economics · Vienna, Austria · 1 (highest grade)

Sep 2011 - Jul 2013

University of Zurich

MSc in Organizational Psychology · Organizational Psychology · Zürich, Switzerland · 6 (highest grade)

Sep 2008 - Jul 2011

University of Basel

BSc in Psychology · Psychology · Basel, Switzerland · 6 (highest grade)

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Antje Maier

Experience

Founder & Owner

Seven Trees HR Consulting

Head of HR

Omega AG

Senior Consultant

Mercer Deutschland GmbH

Organizational Development Manager

Wirecard AG

HR Consultant

Knowledge Markets Consulting

Summary

Skills

Languages

Education

Vienna University of Economics and Business

PhD in Economics · Economics · Vienna, Austria · 1 (highest grade)

University of Zurich

MSc in Organizational Psychology · Organizational Psychology · Zürich, Switzerland · 6 (highest grade)

University of Basel

BSc in Psychology · Psychology · Basel, Switzerland · 6 (highest grade)

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