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Deep Dive:
Assumption Testing

August - September 2025

Quickly determine which ideas will work and which won't.

To see the days/times of our live sessions, please use the schedule widget below.

Find the full course description here.
COURSE SCHEDULE

Choose Your Region

Europe
North America
South America
All Other
Choose your time zone
BST
CEST
EEST
This cohort meets on the following days:


Thursday, 14 August 2025, 17:00-18:30 BST
Thursday, 21 August 2025, 17:00-18:30 BST
Thursday, 28 August 2025, 17:00-18:30 BST
Thursday, 4 September 2025, 17:00-18:30 BST
Thursday, 11 September 2025, 17:00-18:30 BST
This cohort meets on the following days:


Thursday, 14 August 2025, 18:00-19:30 CEST
Thursday, 21 August 2025, 18:00-19:30 CEST
Thursday, 28 August 2025, 18:00-19:30 CEST
Thursday, 4 September 2025, 18:00-19:30 CEST
Thursday, 11 September 2025, 18:00-19:30 CEST

This cohort meets on the following days:


Thursday, 14 August 2025, 19:00-20:30 EEST
Thursday, 21 August 2025, 19:00-20:30 EEST
Thursday, 28 August 2025, 19:00-20:30 EEST
Thursday, 4 September 2025, 19:00-20:30 EEST
Thursday, 11 September 2025, 19:00-20:30 EEST
Choose Your Time Zone
PDT
MDT
CDT
EDT
This cohort meets on the following days:


Thursday, August 14, 2025, 9:00am-10:30am PDT
Thursday, August 21, 2025, 9:00am-10:30am PDT
Thursday, August 28, 2025, 9:00am-10:30am PDT
Thursday, September 4, 2025, 9:00am-10:30am PDT
Thursday, September 11, 2025, 9:00am-10:30am PDT

This cohort meets on the following days:


Thursday, August 14, 2025, 10:00am-11:30am MDT
Thursday, August 21, 2025, 10:00am-11:30am MDT
Thursday, August 28, 2025, 10:00am-11:30am MDT
Thursday, September 4, 2025, 10:00am-11:30am MDT
Thursday, September 11, 2025, 10:00am-11:30am MDT
This cohort meets on the following days:


Thursday, August 14, 2025, 11:00am-12:30pm CDT
Thursday, August 21, 2025, 11:00am-12:30pm CDT
Thursday, August 28, 2025, 11:00am-12:30pm CDT
Thursday, September 4, 2025, 11:00am-12:30pm CDT
Thursday, September 11, 2025, 11:00am-12:30pm CDT
This cohort meets on the following days:


Thursday, August 14, 2025, 12:00pm-1:30pm EDT
Thursday, August 21, 2025, 12:00pm-1:30pm EDT
Thursday, August 28, 2025, 12:00pm-1:30pm EDT
Thursday, September 4, 2025, 12:00pm-1:30pm EDT
Thursday, September 11, 2025, 12:00pm-1:30pm EDT
Choose Your time zone
GMT-5
GMT-4
GMT-3
This cohort meets on the following days:


Thursday, 14 August 2025, 11:00-12:30 GMT-5
Thursday, 21 August 2025, 11:00-12:30 GMT-5
Thursday, 28 August 2025, 11:00-12:30 GMT-5
Thursday, 4 September 2025, 11:00-12:30 GMT-5
Thursday, 11 September 2025, 11:00-12:30 GMT-5

This cohort meets on the following days:


Thursday, 14 August 2025, 12:00-13:30 GMT-4
Thursday, 21 August 2025, 12:00-13:30 GMT-4
Thursday, 28 August 2025, 12:00-13:30 GMT-4
Thursday, 4 September 2025, 12:00-13:30 GMT-4
Thursday, 11 September 2025, 12:00-13:30 GMT-4
This cohort meets on the following days:


Thursday, 14 August 2025, 13:00-14:30 GMT-3
Thursday, 21 August 2025, 13:00-14:30 GMT-3
Thursday, 28 August 2025, 13:00-14:30 GMT-3
Thursday, 4 September 2025, 13:00-14:30 GMT-3
Thursday, 11 September 2025, 13:00-14:30 GMT-3
Convert your time zone

If you live in another region:

We recommend you use WorldTimeBuddy to convert the course times to your own time zone.
Meet the Instructor

Ellen Juhlin

Ellen Juhlin is a product consultant and coach who works with CEOs and early stage startups to turn innovations into valuable products. Most recently, she was on the executive team at Orion Labs as Senior Director of Product Management, where she led development on platform services, automation and voice bots, hardware, firmware, and mobile apps. During her 20 years in product management, she has led B2B product initiatives in collaboration with global customer companies across diverse industries including entertainment, hospitality, retail, public transportation, mining, security, manufacturing, healthcare, government, and more. She enjoys sharing her product management knowledge and expertise with others via coaching. When she's not building products, she's building interactive and immersive art experiences, large and small. Ellen has a BFA from Carnegie Mellon University, and holds 16 patents. She is based in Oakland, CA.

Our Students Love Us

"I absolutely loved the course and have been using the concepts in my own work.  Being able to provide actual data from assumption tests back to my stakeholders to show them how we arrived at our solution was a great benefit."
Cory Johnson
Product coach
"I've being working in Product for a long time and I've had the opportunity do lots of discovery, but I never had a 'process' to follow. This course gave us a practical framework to follow as a PM, and an important tool to help leaders who are mentoring teams."
Marta Duarte Teixeira
head of product
ambev tech
"I got a lot of value out of this course and have been using it across multiple teams. The course gave me great language and framework ideas for doing this work repeatedly and consistently which has then made it easier and lower-lift to do, can’t thank you enough for that!"
Mike Brown
Principal Product Manager
Digital Health

Deep Dive: Assumption Testing

August - September 2025

Quickly determine which ideas will work and which won't.