Navigating the
Decision Space

Marc-André Buchwalder • Advisor, Consultant, Mediator

Why

Confronting Complexity In An Ever More Demanding Reality

Emotions shape human interaction and decision making. Recognising our own reactions, as well as those of others, is essential to understanding motives and constraints.

Sound decisions and sustainable agreements require integrating the emotional dimension of an issue without allowing it to dominate communication.

Diverging perspectives often strain negotiations and relationships. Under pressure, familiar solutions are applied, addressing positions rather than underlying dynamics.

What is needed are strategies that allow leaders to respond deliberately to complexity. These rely on proven methods and the ability to adapt when circumstances change.

Nexus Nomin creates spaces for sound leadership decisions, focused on ethical and sustainable outcomes.

What is Nexus Nomin?

Nexus Nomin supports leaders and decision makers when orientation is difficult and decisions carry real consequences.

The work focuses on leadership and negotiation in complex situations shaped by human behaviour and structural constraints. Rather than simplifying complexity or applying predefined solutions, Nexus Nomin engages with the realities in which decisions are taken.

The approach is analytical and grounded in how people actually decide. Emotions are acknowledged without being allowed to dominate. Positions are questioned to uncover underlying interests. Assumptions are addressed when they limit judgment.

Nexus Nomin does not offer formulas. It creates conditions in which reflection enables responsible decision making. It works at this intersection, with the individual perspective in view and the wider system in mind.

The name Nexus Nomin reflects this focus.

  • Nexus describes the point where interests and constraints converge and a decision will have consequences.

  • Nomin refers to the individual who acts from a specific perspective and under concrete conditions.

Consulting

Within Nexus Nomin, I support the analysis and navigation of complex situations through case specific consulting.
Negotiation

Negotiations often fail not because of a lack of preparation, but because emotions, assumptions, and power dynamics distort judgment.

My work focuses on preparing negotiations with clarity. This includes understanding interests beneath positions, anticipating dynamics between the parties involved, and maintaining focus under pressure. The aim is to reach agreements that are workable, fair, and collaborative.

Leadership

Leadership is shaped as much by context as by intention. Many recurring leadership failures stem from patterns that remain unexamined.

I work with leaders to strengthen their capacity for sound decision making, responsibility, and professional judgment. The focus lies on navigating complexity, addressing ethical tension, and adapting leadership behaviour to changing conditions rather than repeating familiar responses.

Advisory

Advisory work begins where decisions carry responsibility and uncertainty remains. It is offered in situations where complexity limits orientation and consequences extend beyond the immediate case.

The advisor’s role is to restore clarity when pressure narrows judgment and perspectives collide.

Nexus Nomin provides advisory support where discretion and sound judgment matter.

Philanthropy and Foundations

I work with family offices and foundations to bridge the gap between philanthropic intent and operational reality. The focus lies on creating structures that allow purpose to guide decisions and ensure that legal and financial frameworks serve the mission over time.

This advisory work draws on more than twenty years of experience in senior leadership roles, including in chief executive roles of globally active, privately funded foundations, as well as executive authority in complex and conflict affected environments.

Based on this experience, the work centres on translating purpose and mandate into practice. This includes strategic and governance questions in contexts such as international cooperation and post crisis engagement, with a clear view on what impact means in concrete terms and how it can be achieved responsibly.

Social change unfolds within political and institutional environments shaped by competing interests. Advisory support focuses on understanding these dynamics and clarifying positions in ways that enable cooperation where possible and resilience where necessary.

Advocacy

Advocacy requires a clear reading of context.

Within Nexus Nomin, advisory work in advocacy focuses on understanding how social and political environments shape the possibilities for change. This includes analysing stakeholder positions, institutional dynamics, and points of friction that influence outcomes.

The aim is to support organisations in positioning their purpose realistically and navigating resistance without losing direction.

Resume

Leadership, Negotiation, and Mediation in practice

Chief Executive Officer (2010-2022) – partnerships (totalling to more than 250 in 20+ countries), advocacy, investments organisational politics, mentorship, and leadership.

Director International Development (2007-2010).

Scort Foundation, Basel/Switzerland

Sports Advisor in the Ministry of Culture, Youth and Sports of Kosovo. Negotiated and implemented cross-sectoral/-community and inclusive partnerships domestically, negotiating the participation of Kosovo sports to be part of their respective federations and competitions internationally.

United Nations Mission in Kosovo, Prishtina/Kosovo

Personal Assistant to the Deputy Head of Mission of the German SFOR (Stabilization Force) contingent as part of the NATO mission to ex-Yugoslavia, based in Sarajevo.

NATO SFOR, Sarajevo/Bosnia & Herzegovina

Certificates

Executive Certificate in Public Leadership

  • Leadership for the 21st Century
  • Mastering Negotiation
  • Emerging Leaders

Harvard Kennedy School, Cambridge, MA, USA

The Leadership Circle, Draper, UT, USA

Contact

LET’S GET IN TOUCH

Are you facing a complex issue? Do you see the need for change?

I am offering a 20 minute initial call for free, in which we can share the issue at hand and what I may be able to offer.