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Executive Function and ADHD
Many people think ADHD is just trouble with focus or hyperactivity. But that’s only part of the story. For most adults with ADHD, the biggest challenge is executive function.
Executive function is how your brain organizes tasks. It includes planning, prioritizing, time management, motivation, attention to detail, and follow-through. When these skills don’t work well, everything feels harder—at work, at home, and in daily life.
There’s some debate about exactly which skills make up executive function. But one thing is clear. Problems in this area often lead to more life disruption than the classic symptoms of ADHD.
Medication can help with focus and impulsivity. In fact, 70 to 80 percent of adults see improvement with core symptoms like distractibility. But executive function is different. Medication often doesn’t fix disorganization or trouble getting started. That’s why people can still feel stuck, even when treatment begins.
Case Study – A Professional Struggling with ADHD
Take Winnie, for example. She’s 28, works in accounting, and graduated from business school last year. Her job should be a great fit. But she kept missing deadlines and making small mistakes. Her manager placed her on probation. She felt panicked and overwhelmed. That’s when she reached out to me.
Winnie had been diagnosed with ADHD back in fourth grade. Medication helped. So did tutoring. But after a family move, her parents stopped treatment. She managed school with extra support but struggled with attention and time management.
After college, she found success in sales. She enjoyed people, built relationships, and thrived in client meetings. But she avoided anything repetitive or detailed. Reports piled up. Projects got delayed. She often worked hard but misunderstood key assignments and had to redo everything.
Every morning felt like a maze. She didn’t know where to begin. She jumped between tasks or avoided work altogether.
When she came to see me, I did a full psychiatric evaluation. Her story was clear. ADHD was still affecting her life. And the real issue was executive dysfunction. Her anxiety and insomnia didn’t exist in isolation—they came from constantly feeling behind.
Treatment
I restarted her on a low dose of Adderall. We also began focused Cognitive Behavioral Therapy. We worked on core executive skills. I taught her practical strategies, structured routines, and tools to manage stress. We targeted what mattered most—actionable skills she could use every day.
In four weeks, everything changed. Her focus sharpened. Her confidence grew. She had a follow-up with her manager, who was impressed by her turnaround. A year later, she earned a promotion.
This is what treatment for adult ADHD should look like. It’s not just about medication. It’s about learning how to plan, prioritize, and stay on track.
If you struggle like Winnie, you’re not alone. Many talented, high-achieving adults feel stuck for reasons they don’t fully understand. The problem isn’t laziness. It’s executive function. And it can improve.
Here are five key strategies that help adults with ADHD strengthen executive skills and improve performance at work.
Clarify Expectations
Often, people with ADHD are very creative and energetic. As one of my mentors is known to say, people with ADHD are like fast race cars without functioning brakes, they leap out of the gate with enthusiasm, but not necessarily with realistic or well thought out goals. Like Winnie, many people will work for weeks but fail to arrive at the results that the team is seeking. Thus, always clarify the expectations with your client, boss, or manager. Here are some questions that you might want to ask:
What does success with this particular project look like? Think about the time frame for the project? Assess the the scope of the project? Are we aiming for broad strokes and concepts or drilling down to granular details?
Request Feedback
Often, people with ADHD have dealt with many failures or disappointments earlier in their lives. Thus, they are burdened with significant self-doubt and shame and avoid checking in with the team or manager or asking for feedback, fearing the exposure to potential criticism.
In addition to clarifying expectations, it is essential that you get feedback on your work throughout the project, especially early on in the process. One patient I worked with avoided asking for any feedback on a large project and after three months discovered that he had interesting ideas but these ideas were at odds with the team leader’s vision.
Winnie generally met with her manager on a monthly basis as part of the company protocol. However, I recommended that she also meet twice a week for ten minutes with her manager to make sure that her progress and quality of work is congruent with expectations. Winnie said that these biweekly meetings also helped her with accountability and improved her motivation and confidence level. Her manager also commented on Winnie’s dedication and newfound engagement.
Hand Write a Strategy
Winnie and many of my patients undertake large projects without having a written strategy. This is like sailing a ship to Europe without a compass or a map. Others may avoid taking on involved projects because they are overwhelmed by the idea.
Before you even start on any project, large or small, take out a sheet of paper or notebook and write down the specific steps for the project. And, I want to highlight the part about writing it out by hand. Often, people with ADHD are visual and kinesthetic learners. Writing out the plan by hand rather than typing it on a keyboard can dramatically improve your planning ability and creativity. It doesn’t have to be perfectly composed and it can be a dynamic and roundabout process. You may not even anticipate all of the steps at the outset. In that case, one of the steps might be to ask a trusted advisor a certain question or to do some research. Some of the steps may be too encompassing and may need to be broken down into smaller steps, especially if they are nebulous or seem overwhelming.
During one of our initial sessions, Winnie arrived at our session frantic about an upcoming presentation to a senior vice-president of the firm. Together, we developed a step-by-step, handwritten strategy for the presentation. By the end of our session, she was not only calmer but was enthusiastic about getting started. A few sessions later, she reported that the reception of her presentation was stellar.
Maintain a Coordinated Task list and Calendar
I have a saying with my patients: “If it’s not on the calendar, it doesn’t exist.” What this means is that if a task or to-do item is not entered or recorded on a specific time slot on the calendar, there is a good chance that it will be forgotten or “fall through the cracks”.
Once you have listed all the steps in the project, write each step at a specific date and time in your calendar. You may not know the specific times that an item can actually be completed or when a higher priority task may intervene. However, making an informed guess of the potential times when a task is likely to be worked on enhances the chances of your success as well as helps you to feel calmer and less overwhelmed moving forward. In addition, having a written calendar showing all of your tasks in one place helps you to prioritize and focus on the job at hand.
Other tasks, meetings, social or networking events, classes, and appointments should also be placed on your calendar. I recommend that people use a “week-at-a-glance” calendar in order to have an overview of the entire week showing how your different responsibilities and tasks interact and interconnect. I recommend an old-fashioned paper calendar, again, for the reason that people with ADHD often function better using handwriting rather than using a digital calendar on the computer.
Likewise, I recommend having a notebook, such as a hardcover Moleskin to use as your task notebook. Here you can write down all of your to-do’s in one place and avoid the problem of having items written in multiple places. Each page in the notebook represents a separate day and includes all tasks, phone calls, and notes that occur on that day. Again, each task should also be written at a specific time in the calendar.
Create Your Master Handbook
People with Adult ADHD often are oblivious to the “rules” of a company or team. These pieces of information may include the company-specific parameters of documents or presentations, file organization, and compliance regulations. It may also include passwords, protocols, and unwritten expectations.
One of my patients was required to organize a quarterly meeting including all of the upper-level managers with very specific requirements about invitations, reserving a conference room in advance, requesting guest speakers, and an enormous amount of small but important details. He would always get very nervous because he would usually forget many of the details of this process after the quarterly meeting. To help him we wrote out the specific pieces of information in his personal “Master Handbook”. Thus, each quarter, he had all of the details at his fingertips and subsequently felt calmer and in control of the situation.
Summary
Deficits in executive function are a major stumbling block and challenge of people with Adult ADHD. Using these organizational methods and strategies can greatly help improve executive functioning and achieve the success you are seeking in your personal and professional lives.
Over the ensuing months of treatment, Winnie started to improve. Initially, we met every two weeks to address strategies and skills. However, as Winnie began to incorporate the new behaviors, we didn’t need to meet as often and currently meet every month or two. During the past year, she has made tremendous progress and has been promoted a second time, to team leader. She manages a team of four and stays focused on her tasks, goals, and the progress of the entire team very effectively. Even though some tasks fall by the wayside and she doesn’t always adhere to the strategies perfectly, she has come a long way toward becoming a valued leader and integral member of the firm.
By using these strategies to improve executive function, many of my patients with ADHD have successfully improved their professional and personal effectiveness and it has been extremely rewarding to be a part of this journey. Some of these strategies might not apply to you or your work in exactly the same way. However, when people with Adult ADHD incorporate these strategies and fine-tune them to meet their individual needs, there can often be significant gains.
*Details have been altered to protect the confidentiality of all patients.




Sarah Cummings says
Wow! I admire Winnie for being successful despite having ADHD. Thanks for sharing your strategies! These really help your patients to become successful! And it also provides information for us readers. 🙂
Scott says
Sarah- Thanks so much for your feedback! That is great that you found the strategies helpful. I wish you the best of luck with your goals in 2019.
Rachel Hageli says
“Clarify expectations” is a big one -and I love the analogy of a race car, so true!! I honestly had the insight today that getting a better understanding of what someone is asking for may help a lot with some of my work struggles. I always feel it’s validation when I come across a trusted resource on it the same day. I find your work so helpful – thank you!
Scott Shapiro, MD says
Rachel-Thanks so much for your comments. You are right on target about clarifying expectations. I hope that your insight has helped you at work. Again, I appreciate you taking the time to write a comment and sharing your thoughts. Good luck on your progress and I look forward to hearing other comments from you. Thanks. Scott