Lena Reinhard

VP, Product Engineering at CircleCI

Lena Reinhard is VP Product Engineering at CircleCI, the leader in continuous integration and delivery for developer teams. In her 15+ year career, she’s been building and scaling high-performing engineering organisations and helping distributed teams succeed, starting with her own startup to corporates and NGOs. Lena is an acclaimed international keynote speaker on topics like leadership, DevOps transformation, and organisational scale, at conferences such as O’Reilly Velocity, The Lead Developer, and CTO Summit. She is passionate about helping teams increase their effectiveness and business impact, and scaling culture for organisational performance and health.

Jason Warner

CTO at GitHub

Jason Warner is GitHub’s Chief Technology Officer. In his role, Jason oversees the Office of the CTO, whose mission is to explore the unknown and non-existent aspects of technology and software in order to build a map of GitHub’s future. Jason was previously Senior Vice President of Technology at GitHub, where he has played an integral role in scaling the Engineering, Product, and Security Teams, and building GitHub’s product roadmap to fit the needs of developers around the world.

Prior to joining GitHub in 2017, Jason was Vice President of Engineering at Heroku. Before Heroku, Jason oversaw Product Engineering for Ubuntu Desktop and Ubuntu Phone at Canonical.

Jason is passionate about building technologies that bring people together, and he’s an active speaker, writer, and advisor.

Bhavini Soneji

VP of Engineering at Headspace

Bhavini is VP of Engineering at Headspace and comes with a diverse 20+ yrs experience as a Product Technology Leader across various industries from Healthcare, Wellness, Social, to Cloud Platforms. Her experience is spread across different companies like Microsoft, Snapchat, Heal and Headspace. She loves giving back to the community; advising C-level executives to set & execute on business & technology strategy; Mentoring to Techstars and has also founded Women Tech executives forum in LA consisting of CTOs & VPs to support & foster this minority group while playing an active role in LA CTO Forum. She loves the outdoors and enjoys boogie boarding with her family.

Rija Javed

Former CTO at MarketInvoice

Rija is an accomplished technology leader who has led teams across London, Silicon Valley and Toronto with extensive experience in FinTech.

Marta Jasinska

CTO at Bloom and Wild

Marta has spent the last 7 years in various tech and product leadership roles. Most recently, she took on the CTO role at Bloom and Wild, where, together with their amazing engineering and product teams, they’re building a next-generation, modern, agile, and data-driven platform unlocking new experiences for their customers. Marta has a background in Software Design and Architecture and many years of hands-on BE engineering experience spanning through various industries. What she enjoys the most about her role is working with cross-functional teams, helping them deliver awesome things, and making sure they have fun in the process.

Dr. Rebecca Parsons

CTO at ThoughtWorks

Dr. Rebecca Parsons is ThoughtWorks' CTO. She has more years of experience than she’d like to admit in technology and large-scale software development. She recently co-authored the book Building Evolutionary Architectures with colleagues Neal Ford and Pat Kua. Separate from her passion for deep technology, Dr. Parsons is a strong advocate for diversity in the technology industry. In recognition of this, Dr. Parsons was awarded the 2018 Abie Technical Leadership Award. Before ThoughtWorks she worked as an assistant professor of computer science at the University of Central Florida, after completing a Director's Post Doctoral Fellowship at the Los Alamos National Laboratory. Her interests include parallel and distributed computation, programming languages, domain specific languages, evolutionary architecture, genetic algorithms, and computational science. Rebecca received a BS in Computer Science and Economics from Bradley University, and both an MS and Ph.D. in Computer Science from Rice University.

Ezechi Britton

Founding Member, Principal & CTO in Residence at Impact X

A tech founder with over 15 years experience in FinTech. Ez’s journey has taken him from Software Developer to Co-Founder and CTO to Venture Capital. He is currently a Founding Member, Principal and CTO in Residence at Impact X Capital Partners LLP a venture fund focused on supporting underrepresented entrepreneurs. He is the Co-Founder of Code Untapped, a digital skills accelerator that helps companies find innovative product solutions by giving them access to diverse and underrepresented technologists through their innovation labs events. He is a former Co-Founder of Neyber, a multi-award-winning Fintech firm focused on financial wellbeing, where he was the founding CTO and held numerous roles during his tenure including brand ambassador and NED. Ez also advises a number of boards. He is currently advisor to the board of UKITL (UK IT Leaders Network) and Albany Group.

Sarah Clatterbuck

Senior Director of Engineering at YouTube

Sarah Clatterbuck joined Google in 2018. She currently leads four teams focused on Monetization beyond advertising for YouTube Creators. Prior to joining Google, she was a Sr. Director of Engineering at LinkedIn focused on Application Infrastructure. She previously held roles at Yahoo! and Apple while progressing in leadership ranks. Her undergraduate degree is from the University of San Francisco and her graduate degree from San Jose State University. She is passionate about getting girls interested in technology and from 2013 until 2018, she served on the board of Girl Scouts of Northern California, leading the board STEM task group. In 2019, Sarah was named to the Forbes "Top 50 Women in Tech" America and World list.

Expertise: Mobile and web frameworks and application development, accessibility and assistive technology, marketplaces and monetized product development, ML-based growth strategies.

Nadia Alramli

Director of Engineering at HubSpot

Nadia has over 9 years of experience in people and team management. She is passionate about technology, fostering a culture of excellence and building products that customers love. Currently as a Director of Engineering at HubSpot, Nadia runs the Marketing Campaigns Group where she leads the engineering teams building world-class marketing products for businesses. Nadia started her career working in the videogames industry, building highly scalable and reliable online services for the Call of Duty franchise for over a decade where she eventually was running the Online Products Group.

Katie Womersley

VP of Engineering at Buffer

Katie is the VP of Engineering at Buffer, which is a globally distributed team with no offices. She’s co-authored “The Holloway Guide to Remote Work”, available now at Holloway.com. She’s also co-authored “97 Things Every Engineering Manager Should Know” and "Atomic Migration Strategy for Web Teams", both with O’Reilly. Katie champions remote work and personal flourishing.

Anna Shipman

Technical Director for Customer Products at the Financial Times

Anna Shipman is Technical Director for Customer Products at the Financial Times, leading on the award-winning FT.com website and the FT iPhone and Android apps. She has been a software developer for over 15 years. Before working at the FT, she was a technical architect and the UK government's Open Source Lead at the Government Digital Service. She speaks at conferences, blogs on her personal website, tweets and is always up for a game of pool.

Richard Haigh

CTO at Just Eat Takeaway

CTO at Just Eat Takeaway for the Just Eat Brands leading a large multinational tech team working on all things scaled. Background in highly transactional marketplace platforms in product focused ecommerce businesses. Enjoys getting involved in the business and NEDs to broaden that experience. Massively driven, loves a challenge, a complete technology geek.

Joel Greensite

VP Technology Financial Services at Publicis Sapient

Joel has 25+ years of experience in delivery, people management and software engineering. He is keenly polyglot, with industry experience ranging from financial services to esports. In his current role he builds banks for start-ups and global corporations.

Steve Alexander

Interim CTO

Steve is a technology leader who works where engineering, product, and people come together. He’s often found helping to scale up digital product capability to meet growth opportunities, without losing the hunger and intimacy of a start-up.

Andy Skipper

Founder and Chief Coach at CTO Craft

Andy has led startup engineering teams as CTO since 2006, including Made.com, and was the first CTO at Comic Relief, one of the largest charities in the UK.

He now runs CTO Craft, a mentoring community and coaching practice focused on CTOs and technology leaders, with thousands of members, spanning the globe, where he helps technologists get to grips with senior leadership and management, culture and operations alongside a number of other experienced CTO mentors and strategists.

James Stanier

SVP Engineering at Brandwatch

James Stanier is SVP Engineering at Brand watch. He has built web scale real time data processing pipelines and teams of people: both are equally challenging. He has written about his experiences on his blog The Engineering Manager, and has turned it into a book called "Become An Effective Software Engineering Manager".

Glyn Roberts

CTO of Digital Solutions at iTechArt

Glyn is a technical leader with over 15 years experience in the software industry moving from developer roles to progressing into multiple Head/CTO positions in the UK and Portugal. He is a technical all-rounder with a strong focus on enabling businesses to accelerate and scale their engineering capabilities. Glyn’s role at iTechArt is to support businesses with their growth by advising on technical solutions, team requirements and business priorities to achieve their needs.

Claire Donald

VP of Engineering at MOO.com

Technically minded leader with over 20 years’ experience managing and leading product engineering teams using a variety of different methods. I have a high tolerance for ambiguity and have worked in a multitude of different environments in both the private and public sector. I proactively lead change and inspire others, having a positive impact in the workplace, mentoring and coaching teams and individuals to be at their best along the way.

Gonçalo Silva

CTO at Doist

Gonçalo is the CTO at Doist, creators of Todoist and Twist. He's been working remotely for over a decade, and managing remote teams for most of that time. He loves long-term ambition, asynchronous communication, and programming.

Matt Squirrell

Head of Development at iTech Media

If you include copying BASIC programs from a book onto a Texas TI-99/4A then Matt has been coding for 34 years. More recently he can be found leading the development chapter at iTech Media, making sure that the engineers have everything they need to do their job to the best of their ability and - more importantly - providing a career where they are eager to do so.

Sally Lait

Head of Engineering at Farewill

Sally Lait works as Head of Engineering at Farewill, where she aims to create a supportive and inclusive environment for engineering managers and developers to grow, as well as fostering technical excellence. Previously she led engineering across Operations at Monzo and was discipline lead for web business-wide, has run a consultancy business, and worked as Head of Technology at a global digital agency.

Graeme Fowler

EVP Software Engineering at Dazn

Software Engineering Technology Leader, specializing in scaling up and structuring large product engineering departments. Deep commercial experience of OTT Streaming.

Sarah Hale

Director of Engineering at Unity

Director of Engineering, Operate Solutions at Unity, leading a globally distributed team of engineers. We’re working on developing a set of analytical tooling to help developers and publishers of games to understand their players, with the aim to help them create a better all round gaming experience for gamers. Before Unity, I was the Director of Engineering at Click Travel, where I was responsible for growing and managing a distributed product engineering department, driving technical strategy, setting product engineering standards and leading teams that deliver strategic business goals efficiently. Before that, I held various roles at Skyscanner, including Senior Engineering Manager, where I grew a multi-disciplined and distributed team with engineering, internationalisation, localisation and translation expertise. I care deeply about people and tech. I enjoy setting people up for success by aligning their intrinsic motivations with personal growth, the business goals and technical strategy direction.

Osman (Ozzie) Osman

Co-founder at Monarch Money

Osman (Ozzie) Osman is co-founder and head of engineering at Monarch Money. He has built products and engineering teams at companies including Quora and Google. Ozzie has also started two companies that have been acquired, and advised dozens of other startups. He is the lead author of the Holloway Guide to Technical Recruiting and Hiring.

Jon Topper

CEO/CTO at The Scale Factory

Jon Topper runs The Scale Factory, a team of AWS Solutions Architects and DevOps experts based in London, UK. In a career spanning two decades, he’s worked on infrastructure problems for Fortune 500 companies, and startups, across a range of market sectors.

Aubrey Stearn

Executive Director of Software Engineering at JPMorgan Chase

Aubrey is a keen technologist and remains relatively hands-on as a CTO, a generalist in most technologies and stacks, she enjoys creating the support for organic cultural growth to take place. Aubrey can also be found making YouTube videos with ever increasing volumes of animation, has a esoteric interest in the Gameboy and it’s Z80 derivative CPU and is a cat mom.

Neil Cameron

Co-founder & CTO at Progression

Neil is Co-founder and CTO at Progression, a platform for defining and measuring career growth for your team. He's spent the last 15 years at the intersection technology and business. Previous adventures include working as an early stage CTO at a fintech startup, founding an OTT video startup and starting and growing a software development agency.

James Goodrich

Managing Partner at Albany Partners

James is the Founder and CEO of Albany, which exclusively moves CTOs and CPOs to high growth technology businesses across Europe. James has completed over 250+ senior technology searches and cares deeply about providing an honest and outcome based solution to his clients and candidates. Proud father of 2 girls and lives in the Chilterns.

Jennifer D. Carlston

Technology Architect at Pluralsight

As a member of the Pluralsight architecture team Jenny helps coordinate cross-cutting initiatives, review and improve resilience, observability, team workflow, and complexity metrics acting as a technological advisor for over 400 engineers, their managers, and leaders. She’s been engineering systems for over 20 years in various forms across borders and industries.

Zoe Cunningham

Director at Softwire

Zoe Cunningham has worked in the tech industry for 20 years, starting as a coder in 2000. She’s currently a Director at Softwire, having held the role of Managing Director from 2012-2020. Zoe’s first book “Galvanising the Geeks” details her thoughts and experiences of managing technical teams.

Ori Keren

Co-founder & CEO at LinearB

Ori brings 20+ years of software engineering experience ranging from engineer all the way up to his most recent position as VP of R&D at Cloudlock (acquired by Cisco). As CEO of LinearB, Ori is on a mission to help companies build data-driven engineering organizations.

Gergely Orosz

Author, The Pragmatic Engineer

Gergely Orosz is an engineering lead, previously at Uber, Skyscanner and Skype / Microsoft. He is passionate about helping engineers grow into leaders and is currently writing the book The Developers Path.

Jean Hsu

VP Engineering at Range

Jean Hsu is VP of Engineering at Range. Previously, she was a co-founder of Co Leadership, a leadership development company for engineers and leaders in tech. She brings over a decade of experience in engineering and management roles from Google, Pulse, and Medium, as well as experience coaching individual contributors, tech leads, managers, CTOs and VPs.

Hywel Carver

CEO at Skiller Whale

Hywel is in his third decade of writing code. He is a CTO Craft Expert, leads technology teams, runs a dinner club for CTOs, has written a book to teach 10 year-olds computer science, and is designing and building his own 8-bit computer for playing Pong. He now works at Skiller Whale, accelerating skill acquisition for entire tech teams.

Benjamin Reitzammer

Freelance CTO

With over 20y of experience in the tech industry, from Developer through Engineering Manager to Startup CTO, Benjamin nowadays supports and builds high performing organizations where positive, human-centered practices and relationships are front and center.

Sam Phillips

Co-founder & CTO at Residently

Sam is Co-Founder and CTO at Residently, the startup that’s changing the world of renting by focusing it on the renter. He’s been working on technology for 20 years, 13 of them in a leadership position and most of those years spent in startup land, with roles spanning engineering, product, delivery, systems, data and coaching. He’s happiest when he’s learning and agrees with Eli Goldratt: there’s always a win-win solution.

Stephan Schmidt

CTO Coach

Stephan has been teaching himself coding as a kid. After a long management career in tech in startups and larger enterprises, he now shares his knowledge as a CTO Coach.

Dr. Lee-Jon Ball

CTO at Easol

Lee-Jon started his programming life around age 8, building fractal display systems, and modelling his exam questions, rather than answering them. He totally forgot about his love of computers, and tried retail, journalism and then running funk and soul, and deep house club nights. After realizing whatever he earned DJing got spent on records, and remembering he liked computers, he pivoted into a PhD on solving antibiotic interactions and unnatural DNA structures; a subject unusual enough to net him a job in Financial Services optimising their operations, processes and systems. After deciding to have a proper job fifteen years ago, Lee-Jon has focused on the interface between strategy and technology, working with companies like Kuoni, M&S, Alliants, AIG, Four Seasons Hotels, Notonthehighstreet.com. He loves making things customers rave about, recently designing and building the Spyscape attraction and experience in NYC. Who wouldn’t want to programme a laser maze? He's very recently joined Easol - a platform powering a new movement of Experience Creators globally to run and grow their experience business and is excited about how it can enable the world.

Emma Hopkinson-Spark

Chief of Staff at 101 Ways

Emma is the Practice Director responsible for Coaching and Transformation in 101 Ways, with over 20 years experience in tech and leadership. She was a subject matter expert for the Scrum Alliance in developing the CSP standards, an award winning coach, and a co-organiser of the Global Gathering in London 2018.

Dan Smith

CTO Coach and Fractional CTO

Dan draws on 25 years' tech experience, supplemented by psychotherapy, coaching and group facilitation studies. He works with technical specialists and managers to develop themselves into the leaders they truly want to be, and supports them to build lasting capability and successful, happy, highly-performing teams.