Winni Lestari

Head of Real Estate Sourcing Bank Mandiri

A versatile professional with a strong academic foundation in architecture and real estate business, complemented by over 16 years of multidisciplinary experience across the property, development, and banking sectors. Holds a Bachelor’s degree in Architecture from the University of Indonesia and a Master’s degree in Real Estate Business from the National University of Singapore (NUS). Began a career as a Property Valuer in Knight Frank Indonesia, gaining expertise in asset valuation and market analysis. Progressed to become a Business Development Manager in Cowell Development, a property development company, leading project planning and investment strategies. For the past 9 years, has been instrumental in Bank Mandiri’s Procurement Division, managing varies procurement strategies for real estate, IT, and contract management. Awarded as Mandiri Best Employee in 2025, has been recognized for bridging technical, commercial, and operational perspectives to drive impactful results and enable crossfunctional collaboration

MAIN CONFERENCE DAY 1 – 9 July 2025

3:05 PM Drill Down Roundtables: Back to Basics: Solutions Clinic

Here’s a great chance to revisit key strategies and explore practical solutions for your daily challenges. These interactive sessions encourage open discussion, allowing you to share experiences, tackle issues, and learn from peers across industries. With a focus on core procurement topics, you’ll walk away with actionable insights and best practices you can apply right away.

Roundtable 1: Spend Analysis

Speaker:

Choon Boon Yeoh, Assistant Vice President Procurement, Resorts World Sentosa

Roundtable 2: Strategic Sourcing

Speaker:

Ana Pertot, Head of Overseas Procuremen, Zeekr

Roundtable 3: Category Management

Speaker:

Brish Bhan Vaidya, Head of APAC Strategic Sourcing & Global Buying Center, Uber

Roundtable 4: Stakeholder Management

Speaker:

Winni Lestari, Head of Real Estate Sourcing, Bank Mandiri

Roundtable 5: Negotiations

Speaker:

Tomy Hendratmoko, Vice President Procurement & General Service, Telin

Roundtable 6: Ethical Procurement

Speaker:

Mohamed Faizal, Head of Procurement, Miranti

Check out the incredible speaker line-up to see who will be joining Winni.

Download The Latest Agenda