Founder, CEO, Innovator
Sima Sistani: Biography at a Glance
- With over 20 years of experience, Sima has successfully led companies from startups to multinational corporations, demonstrating her ability to drive growth, innovation, and large-scale transformation.
- As CEO of WeightWatchers, she spearheaded its transformation from a traditional consumer retail company to a cutting-edge digital health platform, earning recognition as a CNBC "Changemaker" and a CNN Business leader shaping the future of global business.
- As Co-Founder and CEO of Houseparty, Sima scaled the platform to 100M+ users, challenged social media giants, and later shaped social products at Epic Games, influencing global digital engagement.
- From scaling Yahoo’s mobile division to leading Tumblr’s explosive growth post-acquisition, Sima has consistently driven operational excellence and cultural shifts within some of the most influential tech companies.
- A Duke University professor, Aspen Institute Henry Crown Fellow, and Best Buy board member, Sima combines hands-on leadership with deep insights into corporate transformation, human-centric innovation, and the future of business.
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Biography
Sima Sistani has more than 20 years of experience innovating human-centric platforms for connection. Sima has started, operated, and scaled companies from seed startups to multinational corporations. She most recently served as the CEO of WeightWatchers where she architected and led its successful transformation from a waning consumer retail company to a leading digital health platform. In 2023, CNN Business honored Sima in their annual list of 11 leaders making big bets to move global business forward. In 2024, she was recognized by CNBC as a “Changemaker” for her leadership in transforming business and diet culture. Sima is also an avid Yogi and Professor at Duke University.
Prior to her joining WW in March 2022, Sima was the Co-Founder and CEO of Houseparty, a communication app. Houseparty, which grew to over 100M users under her leadership, challenged the incumbent social media giants with its innovative approach to synchronous chat and a business model that respected data privacy and prioritized trust & safety. Epic Games acquired the company in 2019. At Epic, Sima joined the senior leadership team, where she was responsible for social products across Epic Games, including Fortnite, one of the world’s most popular game titles ever released, with over 350 million registered users.
Prior to founding Houseparty, Sima led Mobile Growth at Yahoo. During her tenure, the company’s stock doubled in value and saw the mobile team scale from less than 30 to over 300 people. After Yahoo acquired Tumblr, Sima played a key role in bridging the two entities as Head of Media for the emerging microblogging and social media giant. Tumblr became the fastest-growing social network in active users in just 6 months.
Sima began her career at Goldman Sachs in International Equities and eventually moved from the trading floor to Hollywood, Creative Artists Agency. She holds a BA from Duke University and an MBA from Northwestern University, Kellogg School of Management. She sits on the board of Best Buy and is a 2023 Aspen Institute Henry Crown Fellow. Sima is a first-generation American and lives in North Carolina with her husband and two children.
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FAQs
How do I book Sima Sistani for my event?
Contact CAA Speakers at (424) 288-2898 or speakers@caa.com to book Sima Sistani to speak at corporate or private events, keynote speeches, speaking engagements, workshops, fireside chats, motivational speaking, or virtual appearances.
Quick booking process- Email CAA Speakers with event details
- Get availability confirmation within 24 hours
- Review speaking fee and contract terms
- Sign agreement and finalize logistics
As one of the most influential talent agencies in the world, CAA handles all speaking engagements from contract to event day coordination.
Who is Sima Sistani's booking agent?
CAA Speakers is the preferred booking agency to contact for Sima Sistani’s speaking engagements. Contact speakers@caa.com for all Sima Sistani in-person appearances and keynote speaking requests.
Contact Sima Sistani's agent- Email: speakers@caa.com
- Website: caa.com/caaspeakers
- Response: Within 24 hours
CAA Speakers can check Sima Sistani's speaking calendar with direct access to availability and official pricing. While many websites may list Sima Sistani, CAA Speakers is the direct source for authentic information about availability and pricing.
What is Sima Sistani's speaking fee?
Sima Sistani's speaking fee varies by event type, location, and requirements. As a top keynote speaker, Sima Sistani's fee reflects their expertise and market demand.
Speaking fee factors:- Event type and audience size
- Travel distance and logistics
- Presentation length and customization
- Virtual vs. in-person delivery
Additional costs: Travel, accommodation, A/V requirements, and optional meet-and-greets.
Contact CAA Speakers at speakers@caa.com for Sima Sistani's current speaking fee and detailed cost breakdown.
How much does it cost to book Sima Sistani as a keynote speaker?
The cost to book Sima Sistani as keynote speaker includes their speaking fee plus travel and logistics expenses.
Total booking cost includes:- Sima Sistani's keynote speaking fee
- Travel and accommodation
- Technical requirements and A/V setup
- Optional add-ons like book signing and meet & greets
- Virtual presentations
- Local/regional events
- Off-peak booking periods
- Flexible event dates
Email speakers@caa.com for Sima Sistani's exact booking cost and customized pricing proposal.
How to contact Sima Sistani for speaking engagements?
Contact CAA Speakers at speakers@caa.com for all Sima Sistani speaking engagements.
Official contact for Sima Sistani bookings:- Email: speakers@caa.com
- Website: https://www.caa.com/caaspeakers/sima-sistani
- Response time: 24 hours
Include your event date, location, audience size, and budget when contacting CAA about booking Sima Sistani.
Is Sima Sistani available for virtual speaking events?
Yes, Sima Sistani speaks at virtual events with professional-grade equipment and interactive presentation style.
Sima Sistani's virtual event options:- Live virtual keynotes with Q&A
- Interactive workshops and breakouts
- Hybrid events (in-person + virtual)
- Pre-recorded presentations
Virtual events offer global reach, flexible scheduling, and reduced travel costs while maintaining Sima Sistani's engaging presentation quality.
Contact CAA Speakers for Sima Sistani's virtual event availability and technical specifications.
What events can I book Sima Sistani for?
Book Sima Sistani for corporate conferences, industry events, private functions, and virtual presentations. Sima Sistani customizes content for any audience size or event type.
Event types:- Corporate meetings and conferences
- Industry summits and trade shows
- Private executive retreats
- Educational institution events
- Virtual and hybrid conferences
Sima Sistani engages audiences from private executive meetings to large conferences with thousands of attendees.
Contact CAA Speakers to discuss how Sima Sistani can customize their presentation for your specific event.
Sima Sistani booking information and availability
Check Sima Sistani's speaking availability through CAA Speakers at speakers@caa.com. Book 3-6 months in advance for best date selection during peak seasons (September-November, March-May).
Availability factors:- Event date and location
- Speaking fee and budget
- Lead time for booking
- Peak conference seasons
- 3-6 months: Best availability
- 3-6 months: Best availability
- 2-3 months: Good availability
- 1-2 months: Select availability
- Under 30 days: Limited availability
Contact CAA early in your planning process to secure Sima Sistani for your preferred event date.
Book Sima Sistani keynote speaker through CAA
Book Sima Sistani through CAA Speakers for guaranteed authentic representation and professional event coordination. CAA is the preferred booking agent for Sima Sistani, with direct access to their speaking availability and decades of experience representing the world’s top keynote speakers.
CAA booking advantages:- Direct access to Sima Sistani's calendar
- 24-hour availability confirmations
- Professional contract negotiation
- Full logistics coordination
- Industry-leading client service
Trusted by Fortune 500 companies for their most important speaking engagements. Contact speakers@caa.com to book Sima Sistani for your next event.
Will Sima Sistani speak at private events?
Yes, Sima Sistani speaks at private corporate events, executive retreats, board meetings, and exclusive functions.
Private event types:- Executive retreats and board presentations
- Client entertainment and VIP gatherings
- Corporate celebrations and award ceremonies
- Private dinners and exclusive functions
Private event benefits: Customized content, enhanced interaction, complete confidentiality, and flexible scheduling.
Contact CAA Speakers for Sima Sistani's private event availability and confidential pricing proposals.
How quickly will I get a response about booking Sima Sistani?
CAA Speakers responds to Sima Sistani booking inquiries within 24 hours during business days. Complex requests or international events may take up to 48 hours for detailed proposals.
Response timeline:- Initial acknowledgment: Within 24 hours
- Availability confirmation: 24-48 hours
- Detailed pricing proposal: 48-72 hours
- Urgent requests: Same-day priority response
Include complete event details (date, location, audience size, budget) for fastest response times.
How far in advance should I book Sima Sistani?
Book Sima Sistani 3-6 months in advance for best availability, especially during peak speaking seasons. Early booking ensures better date selection and rate negotiations.
Recommended booking timeline:- 3-6 months: Optimal availability and pricing
- 2-3 months: Good availability
- 1-2 months: Select availability
- Under 30 days: Limited availability
Peak seasons: September-November and March-May book fastest. Contact CAA Speakers early for priority consideration.
How do I get Sima Sistani pricing information?
Get Sima Sistani pricing information by contacting CAA Speakers at speakers@caa.com with your event details. Receive detailed cost breakdown within 24-48 hours with no obligation to book.
For accurate pricing, include:- Event date and location
- Audience size and type
- Event format and duration
- Budget parameters
CAA provides transparent pricing with all costs included - speaking fee, travel, accommodation, and technical requirements.
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