ExecutiveCode
Executive Transitions Decoded
ExecutiveCode provides independent, objective advisory for high-stakes C-suite decisions. We do not recruit or place executives—we remove the guesswork, bias, and blindspots from leadership selection, succession, and integration.
- CEO Succession & Board Advisory — Navigating boardroom dynamics to build alignment on the CEO mandate, then objectively evaluating candidates against it.
- Executive Assessment & Development — Deep-dive behavioral analysis to expose blindspots and overcome them, both before selection and once in the seat.
- Portfolio Leadership Diagnostics — Diagnosing friction and execution bottlenecks across leadership teams when organizational performance stalls.
“Without rigorous assessment and candid feedback, executive blind spots quietly erode value. This framework helps boards and investors identify those risks early and understand how to support a leader rather than simply place a bet on one.”
Managing Director, Private Equity Portfolio Talent
Services
ExecutiveCode Services
Derisking high-stakes leadership choices.
Executive transitions rarely fail on technical competence. They fail on unspoken boardroom misalignment, misjudged capabilities, and hidden behavioral blindspots. We bring independent clarity to the most critical leadership decisions organizations make.
CEO Succession & Board Advisory
Succession processes frequently stall because directors evaluate the future through the lens of the past—falling into nostalgia for a successful incumbent, overcorrecting for past flaws, or carrying unstated, competing agendas. Meanwhile, traditional search firms focus on candidate volume rather than resolving boardroom alignment.
We guide boards through an independent, disciplined process to surface unspoken priorities and build alignment on the CEO mandate—followed by rigorous, candidate-neutral evaluation against it, free from placement incentives.
“One of the Board’s critical responsibilities is to ensure successful CEO succession planning. Jenner identifies the critical factors that lead to success and details how blind spots can be identified and mistakes avoided before it’s too late.”
Independent Board Director & Former Fortune 500 CEO
Executive Assessment for Selection
C-suite candidates are polished presenters, making it difficult for traditional interviews to isolate true individual contribution from market tailwinds or uncover hidden behavioral blindspots.
We assess finalists objectively against a rigorous, mandate-specific scorecard—eliminating selection bias and giving decision-makers clarity on where a leader will excel, stall, or require scaffolding.
Executive Development & Onboarding
Up to 50% of new C-suite leaders struggle within 18 months—often because the exact strengths that drove past success become blindspots under enterprise scale.
We deliver objective feedback, targeted transition scaffolding, and peer-level executive coaching to accelerate new appointments and prepare high-potential internal contenders for top seats.
Team & Portfolio Diagnostics
When a corporate division or portfolio company stalls, boards, CEOs, and sponsors often struggle to isolate the root cause—whether it is CEO derailment, executive team friction, or capability gaps in the layer below.
We conduct rapid, deep-dive diagnostic interviews across the C-suite and key operational layers to pinpoint execution bottlenecks, decode structural friction, and deliver actionable intervention plans.
ExecutiveCode
The ExecutiveCode Difference
Where organizational psychology meets business acumen. Most leadership advisors see only part of the picture—some understand human behavior, others understand business operations. ExecutiveCode integrates both.
ExecutiveCode gives boards, CEOs and investors foresight so they can make better, higher-confidence leadership decisions. We use a dual lens:
Psychological Depth
Uncovering what drives and derails executive behavior under enterprise pressure. We evaluate underlying capabilities, cognitive agility, blindspots, and C-suite transition readiness.
Operating Acumen
Evaluating how an executive will execute against a specific commercial mandate. We frame assessments through strategic and operational realities, board dynamics, and value creation plans.
Meet the Founder
Decoding What Drives Executive Success
Nathan Jenner brings over two decades of operating and executive assessment experience to high-stakes leadership decisions.
He was Chief Operating Officer for Electronic Markets at Bloomberg, advised the CFTC and global regulators on market structure, and led risk and merger integration for JPMorgan's structured products group in New York and London.
Recognizing that leadership blindspots pose the greatest risk to enterprise value, he joined ghSMART, advising boards, CEOs, and private equity sponsors on succession and high-stakes executive assessment, before founding ExecutiveCode.
Columbia-trained in organizational psychology, Nathan combines deep behavioral insight with firsthand commercial experience—giving boards and investors the insight needed to make high-confidence leadership choices.
Seven Blindspots
Why C-Suite Candidates Fail and How to Help Them Break Through
Through vivid, real-world cases, Jenner exposes the factors that quietly undermine executives during the transition to CEO and the C-suite, and the consequences for the organizations they lead. These gaps are rarely detected in traditional interviews or performance reviews, yet they surface with force once a leader steps into the role
