Info & Contacts

My name is Andrey Sas and I'm a CRM marketing consultant who's been helping companies to build and improve their push notifications and email marketing for over a decade.

I've been doing email and push marketing both for huge (up to 200M subscribers) and not so big products. This diverse experience helps me to provide quick, actionable and data based suggestions so you can finally remedy email or push issues and achieve your company goals.

I have both technical and marketing background, which allows me to fully understand the whole stack of technological, marketing and statistical methods resulting in a success of CRM team.

You could have a look at my references which include top CRM marketing businesses like Return Path (now Validity) and

I'm experienced in all branches of CRM marketing:
 – Every channel you can think of: emails, push, SMS/text, in-app and Facebook notifications, messenger bots etc.
 – CRM marketing strategies - planning, developing and executing
 – Improving performance of CRM campaigns
 – Resolving email deliverability issues, setting up delivery monitoring, enabling whitelisting, mediation with SpamHaus and other RBLs
 – Setting up statistics, impact analysis and business intelligence (BI) processes
 – Proper user base management
 – Building CRM infrastructure for up to hundreds of millions of sends per day - MTAs, servers, platforms, monitoring

My experience with push notifications includes (iOS, Android, Windows 10, Chrome, Safari):
 – Starting sending push notifications in a company with email marketing only
 – Integration of push and email marketing
 – Optimizing performance of push notification in order to increase sales / activity
 – Defining optimal flows to increase iOS push opt-in rate
 – Setting up push sending infrastructure

I also can help you to avoid hiring a wrong person by assessing experience of candidates applying to CRM marketing manager positions.

You can learn more about my experience and see my CV on LinkedIn.


– LinkedIn
– email:
– Skype: unitelephone