Lewis Kang'ethe
@lewiskangethe
Senior Product Designer specializing in conversational AI and user-centered design that drives measurable business impact.
What I'm looking for
I am a Senior Product Designer with deep experience designing conversational AI, multimodal features, and end-to-end product experiences for B2B and B2C platforms. I lead cross-functional strategy, research-driven experimentation and design systems work that have driven revenue, reduced friction, and increased activation.
My recent work at HubSpot includes leading conversational AI for Chat Support and Email Assistant (59% digital resolution rate, 79% email handling rate) and designing the first multimodal Speech-to-Text feature. I combine user research, data analysis, and collaborative workshops to deliver user-centered solutions at scale.
Experience
Work history, roles, and key accomplishments
Led end-to-end conversational AI design for Chat Support and Email Assistant, achieving a 59% digital resolution rate and 79% email handling rate while defining AI product strategy and driving revenue from AI-powered enterprise tools.
Senior Product Designer
Lookback
Dec 2020 - Sep 2022 (1 year 9 months)
Led redesign and new feature launches (Mobile Tasks, session upload) for a remote usability research platform, driving usability improvements through rapid prototyping and customer validation.
Senior Product Designer
Liberate
Jan 2022 - Aug 2022 (7 months)
Led zero-to-one design and launch of Liberate's podcast product and improved mobile wellness experiences for BIPOC users with accessibility and inclusivity-focused research.
First Product/UX Designer
Kwara
May 2019 - Dec 2020 (1 year 7 months)
Led end-to-end UX for a digital banking platform for community banks and credit unions, created the first design system, and simplified complex financial flows to improve adoption and trust.
User Experience Specialist
Safaricom PLC
Jan 2018 - Mar 2019 (1 year 2 months)
Conducted qualitative and quantitative research to iterate on the Bonga app and other products, established internal UX processes, and influenced product decisions via design sprints and prototyping.
UX & UI Designer
Cellulant
Dec 2017 - Jan 2018 (1 month)
Developed new feature concepts for Tingg payments product through user interviews and personas, participating across the product lifecycle from ideation to release.
User Experience Designer
Kazi+
Nov 2016 - Dec 2017 (1 year 1 month)
Led company rebranding and redesign of marketing assets, delivering a unified product and marketing toolkit that improved user acquisition and retention.
User Experience Designer
Capital FM Kenya
Dec 2016 - Jul 2017 (7 months)
Designed promotions and new editorial product sections, launched Two Rivers Mall campaign materials, and created digital campaigns for events and awareness initiatives.
Creative Designer
ARK Africa
Apr 2016 - Oct 2016 (6 months)
Delivered branding, print, and environmental design projects, redesigned ARK Africa website and client assets such as restaurant menus to meet user and business goals.
UX & UI, Graphic and Web Designer
Riverbank Solutions Ltd
Sep 2015 - Mar 2016 (6 months)
Owned design for Teke Taxi branding and mobile/web experiences, led app redesigns that increased adoption and engagement while collaborating with sales and tech teams.
Junior Technical Engineer
MSSynergies (TTCG)
Oct 2012 - Dec 2014 (2 years 2 months)
Implemented Azure AD Connect, Office 365 tenant migrations and hybrid Exchange/Skype deployments, and supported PBX integrations for enterprise customers.
Education
Degrees, certifications, and relevant coursework
Udacity
Nanodegree, Marketing Analytics / Digital Marketing
2020 - 2020
Completed Nanodegree coursework in Digital Marketing and Marketing Analytics in 2020.
freeCodeCamp
Certification, Full Stack Web Development
2020 - 2020
Completed the freeCodeCamp Full Stack Web Development certification between March and May 2020.
IDEO U
Professional Certification, Human-Centred Service Design
2019 - 2019
Completed a professional certification in Human Centred Service Design through IDEO U in 2019.
Jomo Kenyatta University of Agriculture and Technology
Bachelor of Science, Information Technology
2012 - 2015
Completed a Bachelor of Science in Information Technology focused on practical IT and software solutions from 2012 to 2015.
Acumen & IDEO.org Design Kit
Course Certification, Human-Centered Design
Completed the Design Kit course in Human-Centered Design, participating in team-based research and prototyping with a focus on accessibility.
Co-Schedule
Credential / Certification, Agile Marketing
2019 - 2019
Completed the Co-Schedule Agile Marketing credential in 2019 (credential ID: cert_hy0yxnqy).
d.MBA (Professional Certification, Masters in Business Design)
Professional Certification, Business Design
2019 - 2019
Completed the d.MBA professional certification in Masters in Business Design in early 2019.
Availability
Location
Authorized to work in
Website
7minproductmasterseries.comPortfolio
7minproductmasterseries.comJob categories
Skills
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