Marc J Sandifer

Product Leader

Berlin, Germany


Languages:
German (native)
English (native)
Python (learning)


Expertise

ProductPeopleProcesses
StrategyTeam BuildingAgile Work
AnalyticsTraining & MentoringScrum Product Ownership
Data-Driven DevelopmentServant LeadershipCross-Functional Collaboration

Experience

Jun. ’21 – Aug. ’24, Contorion GmbH, Berlin

 

 

Team Lead Product Management

Establishing and leading 5 cross-functional product development teams in charge of Contorion’s e-commerce product.

Responsibilities:
Setting product teams vision and strategy in line with the company strategy through a bottomup approach
• Ensuring high impact of all product teams on business goals
Hiring, coaching, mentoring, and developing empowered Product Managers in charge of search experience, product presentation, content management, payment, logistics, and product data, as well as Contorion’s product innovation efforts

Select Achievements:
Planned and collaboratively executed tech department restructurings, thereby maximizing the tech areas impact on critical business goals
Transitioned development teams from output focus to outcome focus
Coached teams to deliver continuous, measurable improvements to key company metrics (e.g. revenue, direct cost, conversion rate)

Key Skills:
Product Strategy · Cross-functional Team Leadership · Employee Training · Mentoring


Nov. ’19 – May ’21, Contorion GmbH, Berlin

 

 

Senior Product Manager

In addition to the responsibilities and skills listed under “Product Manager”:

Responsibilities:
• Owning Contorion’s UX and testing strategy
• Onboarding and mentoring all Product Managers in the areas Conversion Rate Optimization, web analysis and marketing, as well as Contorion’s systems and processes
• Onboarding, mentorship and supervision of a Product Management Trainee
• Training & mentorship of a Junior Product Manager

Key Skills:
Cross-functional Team Leadership · Product Strategy · Employee Training · Mentoring · Conversion Rate Optimization


Mar. ’18 – Oct. ’19, Contorion GmbH, Berlin

 

 

Product Manager

Shaping Contorion’s customer experience as the Product Owner of an 8-12 person SCRUM team, as well as driving Contorion’s experimentation efforts.

Responsibilities:
• Continuous data-driven feature design and implementation
• Establishing a testing and data-driven UX culture within the organization
• Creating and maintaining the team’s development roadmap
• Onboarding and mentoring all Product Managers in conversion rate optimization, testing, and data-driven UX
• Identifying and solving major UX blockers, significantly improving key metrics across the funnel
• Leading stakeholder CRO teams
• Analysis and tracking of all relevant KPIs
• Implementation and maintenance of web analysis tools

Key Skills:
Cross-functional Team Leadership · Product Development · Usability Testing · Data-driven Decision Making · Conversion Rate Optimization


Oct. ’13 – Feb. ’18, Nexon Europe GmbH, Berlin

 

 

(Lead) Product Manager

Leading a team in charge of Product Management and Operations for ‘Combat Arms’, Nexon Europe’s highest grossing product.
&
Supporting Business Development and Product Sourcing

Responsibilities:
• Hiring, training and mentoring Product Management and Operations staff
• Owning all aspects of the product, from the development roadmap to publishing and monetization strategy
• Product sourcing and market research
• Supervising and coordinating Database Administration, Operations Engineering, Quality Assurance, Customer Support and Community Management

Skills:
Product Management & Operations ·  Product Strategy · Product Launch · Data-driven Decision Making · Mentoring · Cross-functional Team Leadership

Combat Arms Interview: UI/UX Update


Education

June ’22 – Nov. ’23, Dietz Coaching

 

 

Coaching Training

In-depth coaching training “Psychology of Change”.

This coaching training is certified by the International Organization for Business Coaching (IOBC) and the German Federal Association for Coaching (Deutscher Bundesverband Coaching e.V.).


Sept ’20 – June ’22, ThePower

 

 

ThePowerMBA

In-depth digital business education program focused on teaching the core contents of an MBA with a focus on up-to-date content from leading entrepreneurs, such as Martin Eberhard (Co-Founder of Tesla), Chris Barton (Co-Founder of Shazam), and Eric Ries (Author of “The Lean Startup”).

Content:
• Business Model Innovation
• Testing Business Ideas & Lean Startup
• Business & Marketing Strategies
• Leadership
• Entrepreneurship & Fundraising
• Finance & Accounting
• HR & Talent Management

View Certificate


June ’20, CertiProf International

 

 

Scrum Foundation Professional Certificate

Certification Type:  Foundation
Certification Code: SFPC™

View Certificate