Kai Horstmannshoff
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Kai Horstmannshoff Email & Phone Number

Senior Director of Customer Success at Aircall at Aircall
Location: Greater Paris Metropolitan Region, France 10 work roles 4 schools
1 work email found @aircall.io 4 phones found area 749, 207, and 888 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email k****@aircall.io
Direct phone (749) ***-****
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Current company
Role
Senior Director of Customer Success at Aircall
Location
Greater Paris Metropolitan Region, France

Who is Kai Horstmannshoff? Overview

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Quick answer

Kai Horstmannshoff is listed as Senior Director of Customer Success at Aircall at Aircall, based in Greater Paris Metropolitan Region, France. AeroLeads shows a work email signal at aircall.io, phone signal with area code 749, 207, 888, and a matched LinkedIn profile for Kai Horstmannshoff.

Kai Horstmannshoff previously worked as Senior Director of Customer Success at Aircall and Director of Customer Success at Aircall. Kai Horstmannshoff holds Doctor Of Philosophy (Phd), Cultural Studies from Freie Universität Berlin.

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Email format at Aircall

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{first}.{last}@aircall.io
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Profile bio

About Kai Horstmannshoff

👷🏻‍♂️ Building and leading customer success, services and sales teams with a focus on constructing effective success functions and scalable processes inside hypergrowth companies. The teams I lead are organized and efficient and are built on a foundation of clear documentation and training that adapts to fast-paced change. 🎯 Surpassed bookings, revenue and net retention targets in every role. Protected and consistently grew client portfolios with >60mio ARR. Repeatedly increased quarterly retention by 10% compared to company averages. Improved pipeline hygiene, forecast accuracy and up-/cross-sell revenue in every position. 👨🏻‍🏫 Focused on training and mentoring the people who report to me to ensure they learn and improve consistently, own their assignments, targets and responsibilities and find a sense of accomplishment in their work. The teams and managers I hire and train have a clear understanding of how they contribute to company objectives, meet and exceed targets, have low turnover, and have high employee NPS scores.Specialities: Customer Success Strategy ∣ Customer Success Software Implementation ∣ Team Leadership ∣ Success Playbooks ∣ Process Automation ∣ Strategic Account Management ∣ Renewal and Contract Negotiations ∣ Team Building and Development ∣ Coaching ∣ Mentoring ∣ Forecasting and Budgeting ∣ Upsells and Cross-Sells ∣ Critical Situation Management ∣ Hiring ∣ Delivery Excellence ∣ Totango ∣ Gainsight ∣ Salesforce

Listed skills include Customer Success, Customer Relationship Management, Software As A Service, Social Media, and 28 others.

Current workplace

Kai Horstmannshoff's current company

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Aircall
Aircall
Senior Director of Customer Success at Aircall
Website
AeroLeads page
10 roles

Kai Horstmannshoff work experience

A career timeline built from the work history available for this profile.

Senior Director Of Customer Success

Current

New York, Us

Jul 2023 - Present

Director Of Customer Success

New York, Us

Jan 2022 - Jul 2023

Head Of Customer Success

New York, Us

Leading a team of 30 CSMs + 4 first-line managers. Responsible for improving net retention in a client portfolio of 70 mio ARR. Aircall is the phone system for modern business. An entirely cloud-based voice platform that integrates seamlessly with popular productivity and helpdesk tools that workplaces are already using, Aircall was built to make phone support as easy to manage as any other business workflow—accessible, transparent, and collaborative. Aircall believes that voice is the most powerful way to communicate with customers, prospects, candidates, and colleagues, and it is designed to take the headache out of what should be a delightful moment of human connection. Aircall was founded in 2014 and has raised over $100 million. Based in New York and Paris, the company has over 300 employees.

Jan 2021 - Feb 2022

Senior Manager, Customer Success

New York, Us

In this role, I built out a Customer Success function from the ground up. Hired and coached a group of eight Customer Success Managers, implemented process optimizations, automation, and playbooks in order to drive increased net retention, renewal rates, and upsell across a client portfolio of mid-market and key enterprise accounts. Improved employee NPS by 10%, increased account coverage from 66% to 100%, met and significantly over-achieved on the assigned renewal and upsell quotas on a quarterly basis. Rolled out optimized process in our success software Totango and Salesforce, implemented other tools (Front, Gong, ZoomInfo, Sales Navigator) to optimize upsell performance, team efficiency and the quality of client engagements, and established new process and measurements for internal meetings, business reviews, pipeline and forecast updates.

Feb 2020 - Jan 2021

Senior Manager, Customer Success

Vancouver, Bc, Ca

In this position, I built out a Customer Success function across three European offices and grew it from 1 to 13 team members in order to manage and grow a client portfolio of 25mio ARR. I hired and coached each team member to achieve ambitious retention and upsell targets, worked on compensation plans and created and optimized process and tooling to improve the performance of the team. I worked with product dev, product marketing, revenue operations, support, business development, and sales teams to build out and optimize a tech-touch service model that allowed us to successfully service and upsell customers at scale and grew the ARR and account number handled by each account manager by 30% while maintaining and overachieving NRR targets.

Apr 2019 - Mar 2020

Manager, Customer Success

Vancouver, Bc, Ca

Nov 2016 - Apr 2019

Manager, Commercial Customer Success

Vancouver, Bc, Ca

As a result of sustained success in my previous role, I was promoted to Manager level. The key focus of my role shifted towards improvement of our sales, onboarding and renewal process, with particular focus on SMB and mid-market business. Key initiatives driven by me include lead flow optimization initiatives, creation of automation procedures and email campaigns to increase quality of onboarding experience for clients and reduce churn, design of a scalable upsell/cross-sell process and an improved account monitoring process to identify accounts at risk. As part of my role I continued to interact directly with key German and English accounts, and to operate across a large number of teams (Demand Gen, Email, Community, Content, Marketing, Business Development, AEs, and Customer Success).Software tools that I use on a daily basis for this role include: Salesforce, Gainsight, Front App, Automate.IO, Cirrus Insight, Google Analytics, Interana, Tableau, Typeform, Hootsuite, Hootsuite Impact, Hootsuite Ads, Insideview, Sales Navigator, Workplace by Facebook, Slack, Wrike, Trello, Airtable, Brandwatch, Digimind, Synthesio, Talkwalker, Zendesk, Marketo, Datanyze, SimilarWeb, Zoom.us, GotoWebinar, G Suite. Also familiar with: Sprinklr, Percolate, Spredfast, Opal, Microsoft Dynamics, Zerofox.

Apr 2016 - Nov 2016

Onboarding Specialist

Vancouver, Bc, Ca

Key focus of this role was to offer onboarding services, setup and ongoing training for Hootsuite customers in the German and English speaking markets in order to drive product adoption, reduce churn, and foster upsells. In my role I consulted a wide array of customers and helped them match their business needs with Hootsuite's product offerings. Monitoring account health, passing information between customer base and developer team, and proactive identification of upsell opportunities were daily tasks.On top of these tasks I led a team of 5 onboarding specialists that managed our main European SMB markets. My responsibility as team lead was to critically evaluate the efficiency of existing onboarding procedures, improve and monitor the quality of training calls, expand our training offerings by developing webinar content for key markets, and innovate existing CRM procedures whereby customer interactions and handovers were tracked and executed. Key KPIs of the team I led as part of this role were reduction of churn for volume business customers, CSAT, product adoption and Enterprise pipeline. Software tools that I use on a daily basis for this role include: Salesforce, Gainsight, Cirrus Insight, Google Analytics, Hootsuite, Hootsuite Insights, Liftmetrix (Hootsuite Impact), Docusign, Insideview, Tableau, Workplace by Facebook, Slack, Wrike, Brandwatch, Digimind, Synthesio, Talkwalker, Crimson Hexagon, Marketo, Zoom.us, GotoWebinar, G Suite. Also familiar with: SproutSocial, Facelift, Sprinklr, Buffer, Spredfast, FalconSocial, Microsoft Dynamics, Nimble, SugarCRM, Yammer, Zerofox.

Sep 2015 - Apr 2016

Enablement Specialist

Mountain View, Ca, Us

Started as a contractor employed via TVO and helped partners from the art industry use the tools, platforms and technologies that Google developed to digitize and promote their collections, develop websites, obtain interior Street Views, set up mobile apps, upload metadata, and tell their stories in online exhibits. I onboarded new partners and trained them in our platform and services, organized and created webinars to train project partners, analyzed user metrics and monitored partner site traffic. I worked within and later led an international team of 7 account managers and optimized the team's performance. As project manager I also worked on the execution of complex marketing launches by helping to coordinate tasks across different teams (Tech Support, Engineers, Street View, Legal, Marketing and Policy). To manage my deadlines, juggle multiple assignments, optimize my team’s communication with a growing user base and track our progress, I helped to set up an internal CRM system, defined and tracked KPIs, and acquired an extensive administrative skill-set: Project Management, Excel and Google Sheets, Data Feeds, HTML, Google Adwords, Google Analytics, SEO, Photoshop, InDesign.

Apr 2014 - Jul 2015

Phd And Lecturer

Berlin, De

I completed a PhD thesis about contemporary architecture at Free University Berlin. Thesis was completed within the minimum allocated timeframe, summa cum laude. During my PhD program I held public talks in English and German, taught and planned undergraduate classes in which I explained technical concepts in a non-technical manner, wrote articles, coached students to improve their writing and presentation skills, edited and proofread articles for popular and academic journals and organized, obtained funds and planned the budget for a big international conference (50 speakers) for my department.

Oct 2011 - May 2015
Team & coworkers

Colleagues at Aircall

Other employees you can reach at aircall.io. View company contacts →

4 education records

Kai Horstmannshoff education

Doctor Of Philosophy (Phd), Cultural Studies

Freie Universität Berlin

Master Of Arts (M.A.), History Of Art

University Of Oxford

Bachelor Of Arts (B.A.), History And Philosophy

University Of California, Berkeley

Bachelor Of Arts (B.A.), Cultural Studies

Freie Universität Berlin
FAQ

Frequently asked questions about Kai Horstmannshoff

Quick answers generated from the profile data available on this page.

What company does Kai Horstmannshoff work for?

Kai Horstmannshoff works for Aircall.

What is Kai Horstmannshoff's role at Aircall?

Kai Horstmannshoff is listed as Senior Director of Customer Success at Aircall at Aircall.

What is Kai Horstmannshoff's email address?

AeroLeads has found 1 work email signal at @aircall.io for Kai Horstmannshoff at Aircall.

What is Kai Horstmannshoff's phone number?

AeroLeads has found 4 phone signal(s) with area code 749, 207, 888 for Kai Horstmannshoff at Aircall.

Where is Kai Horstmannshoff based?

Kai Horstmannshoff is based in Greater Paris Metropolitan Region, France while working with Aircall.

What companies has Kai Horstmannshoff worked for?

Kai Horstmannshoff has worked for Aircall, Hootsuite, Google, and Freie Universität Berlin.

Who are Kai Horstmannshoff's colleagues at Aircall?

Kai Horstmannshoff's colleagues at Aircall include Lydia Colvin, Noah Kaye, Paul Genix, Mohd Faisal Ansari, and Camille Mercier (Ech-Chibi).

How can I contact Kai Horstmannshoff?

You can use AeroLeads to view verified contact signals for Kai Horstmannshoff at Aircall, including work email, phone, and LinkedIn data when available.

What schools did Kai Horstmannshoff attend?

Kai Horstmannshoff holds Doctor Of Philosophy (Phd), Cultural Studies from Freie Universität Berlin.

What skills is Kai Horstmannshoff known for?

Kai Horstmannshoff is listed with skills including Customer Success, Customer Relationship Management, Software As A Service, Social Media, Account Management, Project Management, Team Leadership, and Internal And External Communications.

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