Mayank Shankar Singh, CFA, Finance Expert in Paris, France
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Mayank Shankar Singh, CFA

Verified Expert  in Finance

Finance Expert

Paris, France
Toptal Member Since
May 7, 2020

Mayank is a global finance leader with experience across three continents. He recently managed a budget of $2.5+ billion for the world's largest eCommerce company, leading investments in innovation projects and launching the retail business in new geographies. He has also helped early-stage and growth companies define their financial roadmaps and growth strategies and enhance their operating profitability. He is a CFA with an MBA from HEC Paris.

Career Highlights

Finance Manager

Education Highlights

Bachelor's Degree
NIT Warangal

Certification Highlights

Case Studies

Work Experience

Head of Product

2021 - PRESENT
  • Led a team of product managers, UI-UX designers, application developers, data engineers, and scientists to deliver AI/ML-based marketing solutions for big enterprises across the retail, luxury, and travel sectors.
  • Increased the product development velocity by 5x and product stability by 3x in 2022 compared to previous years.
  • Built over eight features in less than six months to address the needs of global clients such as Samsung and Gucci, among others.
Focus areas: Product Roadmaps, Customer Acquisition, SaaS, Scalability, Business Unit Strategy, ROI, Fundraising, Business Plan Consulting, Artificial Intelligence (AI), Supervised Machine Learning, Media, Advertising, Apps, Software as a Service (SaaS), Revenue & Expense Projections, B2B

Senior Product Manager | Retail Optimization & Initiatives

2020 - PRESENT
  • Led a team of product managers to build innovative solutions for end-user customers and internal teams to reduce customer returns and improve the customer experience for the French and EU marketplace.
  • Brought in savings of €16+ million in 2021, resulting in an 18% YoY reduction in customer returns via a concession reduction program.
  • Led "Think Big" innovation sprint for the EU, improving last-mile delivery and access point programs, resulting in a €515 million increase in GMS.
  • Owned the Cube reduction program aimed at reducing packaging size to improve shipping speed and product economics and sustainability with an entitlement of €100+ million over three years via a European Cube reduction program, working with vendors.
  • Leveraged a machine learning model to understand customer pain points and resolved them by building features on
Focus areas: Forecasting, Profit & Loss (P&L), Financial Planning & Analysis (FP&A), Financial Forecasting, Business Modeling, Scalability, Customer Acquisition, Business Unit Strategy, ROI, Business Plan Consulting, Supervised Machine Learning, Excel 2013, SaaS, Apps, Software as a Service (SaaS), Revenue & Expense Projections, Business to Consumer (B2C)

Senior Engagement Manager | AWS ProServe

2019 - 2020
Amazon Web Services (AWS)
  • Led a team of 25+ AWS consultants to deliver various AWS migration and innovation projects for Fortune 50 companies wishing to leverage AWS solutions, including artificial intelligence, machine learning services, and data lakes.
  • Helped to pioneer the use of cloud services as the direct counterpart for C-level executives by redefining how they design, develop, and launch new products. Built a long-term cloud adoption strategy, allowing the organization to be more agile and customer-centric.
  • Led over $8.5 million engagements with an average customer satisfaction score (CSAT) of 9/10.
Focus areas: Product Roadmaps, Financial Planning & Analysis (FP&A), Strategy, Economics, Cloud, SaaS, Customer Acquisition, Business Plan Consulting, Apps, Software as a Service (SaaS)

Global Senior Program Manager | Amazon Advertising

2018 - 2019
  • Optimized the business process across Amazon Advertising's global business by standardizing workflow and developing customer-facing products, which resulted in a 20% increase in efficiency and enhanced client experience.
  • Led an innovation incubator, managing 12+ global projects to create a transformational roadmap, resulting in a 30% reduction of customer-facing lead time for launching ads through automation and cross-functional strategic initiatives.
  • Built a standardized billing process across different marketplaces to ensure timely reporting.
Focus areas: Business Models, Billing, Process Optimization, Scalability, Business Plan Consulting, Media, Advertising, Excel 2013, Apps, Forecasting, Revenue & Expense Projections, B2B

Finance Manager

2016 - 2017
  • Managed and allocated the $2.5+ billion budget for all capital expenditures across the EU with direct ownership of $700+ million in capital expenditures in the UK and Poland.
  • Partnered with fulfillment centers to build infrastructure forecasting models for capital expenditures of $400+ million across Europe. The forecasting model identified direct savings of $35+ million per year.
  • Led the development of the business requirement sheet for the launch of new fulfillment centers. This involved partnering with multiple stakeholders to deliver cost-effective solutions commensurate with customer expectations.
  • Served as the finance partner for all technological improvement, automation, and ROI-driven projects, saving $15 million per year. Built complex forecasting models for fixed costs and capital expenditures for all fulfillment centers across Europe.
  • Drove financial analysis for the Turkish launch of the Amazon retail business, delivering market share and fixed and variable expense research as well as constructing a sensitivity analysis across time horizons with various exit strategies.
Focus areas: Market Entry, Network Modeling, Projects, ROI, CAPEX Budgeting & Inventory Management, Forecasting, Budgeting, Financial Planning & Analysis (FP&A), Financial Modeling, Financial Forecasting, Business Modeling, Business Unit Strategy, Three-statement Modeling, Excel 2013, Corporate Finance, Profit & Loss (P&L), Revenue & Expense Projections, Business to Consumer (B2C)

Finance Consultant

2015 - 2017
  • Collaborated with investors in Beijing and Shanghai to identify tech, fashion, and food and beverages startups in Paris.
  • Constructed financial projections and managed due diligence.
  • Advised the client during buy-side negotiations for startups with up to $10 million valuations.
Focus areas: Mergers & Acquisitions (M&A), Financial Modeling, Forecasting, Venture Capital, Pitch Decks, Funding Process, Business Modeling, Fundraising, Three-statement Modeling, Comparable Company Analysis, Private Equity, Fundraising Consultant, Pitch Deck Consultant, Excel 2013, Corporate Finance, Profit & Loss (P&L), Revenue & Expense Projections, Business to Consumer (B2C)

Deputy Manager

2012 - 2014
  • Led a team of 30+ members to restructure banking operations that managed customer relationships across more than 12 geographies.
  • Rationalized and optimized 4,000+ operational processes, increasing efficiency by 30% while simultaneously enabling a 15% reduction in customer complaints.
  • Integrated business processes of different banking entities to leverage economies of scale and create synergies, resulting in $2 million in incremental profitability.
Focus areas: CRM Systems, Business Process Optimization, Consumer Banking, Operations Analytics, Banking & Finance
2014 - 2016

Master of Business Administration (MBA) in Finance

HEC Paris - Paris, France

2007 - 2011

Bachelor's Degree in Computer Engineering

NIT Warangal - India


Chartered Financial Analyst (CFA)

CFA Institute