Impactful Conversations, hosted by Dr. Glenn Wallis and Nejmi Alexander, delivers insightful discussions that inspire change. Drawing on their expertise and the latest research, they break down key concepts to enhance your daily effectiveness. Designed for leaders and drivers of transformational change, this podcast helps you elevate your leadership and achieve higher performance.
We'd love to hear how these conversations have impacted the way you lead, so please get in touch with us via LinkedIn to feature anonymously on the podcast.
Episode 33: Julia Diggs - Leadership at Scale: How to Help People Thrive
Julia Diggs, Chief People Officer at Blue Light Card, joins Nejmi Alexander and Dr. Glenn Wallis to discuss how leaders can help people and culture thrive as an organisation grows.
Drawing on more than 25 years in people leadership, Julia explains why informal relationships become harder to rely on at scale, and how clarity, collaboration, communication, and intentional conversations can reduce friction.
The conversation also covers hiring for the right environment, supporting technical experts moving into leadership, and keeping the human element at the centre of growth.
Follow Julia:
Julia LinkedIn (https://www.linkedin.com/in/julia-diggs/)
Follow Glenn:
Glenn LinkedIn (https://www.linkedin.com/in/gpwallis/)
Exigence Website (http://www.exigence.co)
Follow Nejmi:
Nejmi LinkedIn (https://www.linkedin.com/in/careeryse/)
14 Sept 2026
Episode 32: Justine Whitaker - Advantage by design: Leading with combined intelligence
Most leaders are using AI for the wrong job. The real opportunity is not drafting emails faster, it is redesigning work so human judgment and machine intelligence actually create more value together.
Returning guest Justine Whitaker joins Nejmi Alexander and Dr Glenn Wallis to unpack the shift from basic productivity wins to the much bigger prize, better decisions, stronger operating models, and a more strategic way to use AI inside organizations.
Justine also explains why the pace of change demands constant recombination of human and AI capability, not a one-time implementation. The conversation gets practical fast, with guidance on governance, guardrails, accountability, bias, and when to trust, challenge, or override the machine.
For leaders trying to move beyond hype, this episode is a sharp reality check and a highly usable roadmap. Justine Whitaker returns after her earlier conversation on sustainable high performance to share what has changed in her thinking and what organisations need to do now if they want to stay competitive.
Essential listening if you are responsible for strategy, transformation, operations, or AI adoption and you want to make better decisions about where technology adds value - and where human intelligence still matters most.
Follow Justine:
Justine LinkedIn ( https://www.linkedin.com/in/justine-whitaker/)
xOrdinary Website (https://www.xordinary.co.uk/)
Follow Glenn:
Glenn LinkedIn (https://www.linkedin.com/in/gpwallis/)
Exigence Website (http://www.exigence.co)
Follow Nejmi:
Nejmi LinkedIn (https://www.linkedin.com/in/careeryse/)
24 Aug 2026
Episode 31: Influence doesn't happen by accident
Dr. Glenn Wallis and Nejmi Alexander break down why relationship building is often abandoned as “not enough time” or “not my style,” and why that thinking quietly limits leadership impact. They unpack practical ways to make it manageable, from stakeholder mapping to trust audits, so you can stop trying to “boil the ocean” and focus on the few relationships that really matter.
Glenn and Nejmi also explore the tension between transactional networking and genuine value exchange, including why gratitude, mutual benefit, and other-orientation matter so much in sustaining trust over time. They dig into the difference between a relationship that has simply atrophied and one that has suffered a real rupture, plus what leaders can do to start rebuilding.
The episode also makes the case for being more intentional about how relationships are maintained across hybrid and remote work, where connection can easily become purely operational. If you’re leading a team, building cross-functional influence, or trying to turn weak ties into real support, this episode gives you a clear framework for doing it better.
Essential listening if you want to strengthen your leadership influence without feeling fake, needy, or overwhelmed. The tools are simple, practical, and immediately usable - and they may change how you think about the relationships that shape your career.
Follow Glenn:
Glenn LinkedIn (https://www.linkedin.com/in/gpwallis/)
Exigence Website (http://www.exigence.co)
Follow Nejmi:
Nejmi LinkedIn (https://www.linkedin.com/in/careeryse/)
We would love to hear how these conversations have had an impact on you, so please do get in touch with us.
Reach and audience
Public platform figures. Ratings count people who left a rating, not total listeners.
Spotify
5.0 / 5
5 ratings
Podcast Authority Score: 16 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
Quality
18
Social presence
0
YouTube
0
Engagement
32
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